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Canine Disc Play – Make Great Throws or Your Dog Might Bite You!

An excerpt from Schijfhonden! De complete gids by Peter Bloeme and Jeff Perry, Co-founders of Hyperflite, Inc.

Canine disc sports are a team effort. Although the focus is frequently on the canine, in order for your canine to shine on the playing field or at your local park, you must throw smoothly and accurately in a variety of weather conditions. Good throwers are not born, though good throwing skills are most definitely born of hard work. Developing your throwing skills will enhance your dog’s catching potential. We have often seen dogs with great natural abilities score poorly in competition due to their owner’s consistently poor throws.

It is amazing to watch a good dog suddenly blossom into a great dog when its human teammate works hard at becoming a good thrower. If you are new to canine disc sports, then you simply must learn to throw, at least passably, before working with your dog. Good throwing skills will lessen the possibility of injury as well as keep your dog from becoming discouraged at the crucial early stage of your training.

For many, throwing a disc well is the most difficult aspect of canine disc training. However, it is technique, rather than strength, that marks the best throwers. In order to throw a disc well you must do the following:

Maintain a proper grip on the disc.

Use the proper throwing stance.

Make use of your entire body during the throwing motion as opposed to just your arm and wrist.

Impart sufficient spin to the disc during the throwing motion to provide stability to the disc in flight.

Release the disc at the proper angle for the prevailing conditions.

When starting out, make short throws to a partner or to a fixed target on a fence or other barrier. Concentrate on keeping the flight path of the disc as level as possible. As your accuracy improves, you can move further from your target. Trying to throw far without adequate control over the trajectory of your discs puts your canine at risk and will ingrain bad habits that will be difficult to overcome in the future. Only after you have control over the disc should you attempt longer throws or throws to your canine. Flying discs released with a bank angle (more properly referred to as hyzer), tend to turn in the direction of the bank angle. Throws made with the disc leading edge pitched up or down, will climb or descend, respectively.


Use a firm but not tight grip to hold the disc. Make sure that the disc is firmly in your palm and that you aren’t holding it just with your fingers. After you develop a comfortable grip, practice it repeatedly until it becomes second nature. As in golf and tennis, a good grip is paramount to success.


Always put a good amount of spin on the disc upon release. The more spin, the longer the disc will maintain its stability. At first, beginners can simply concentrate on wrist snap. Ideally, however, spin is imparted to a disc through several factors, including proper body position and a snapping motion that originates from a steady stance and progresses through the hips, arm, elbow and, finally, the wrist.


The proper stance for the backhand throw, the most versatile throw for disc dog play, requires that you stand sideways to your intended target with your feet a shoulders’ width apart and your knees slightly bent and parallel to each other. Start the throwing motion with two-thirds of your weight on your back foot. Then shift it naturally forward to your front foot (leaving one-third of your weight on your back foot) as you release the disc. Try not to lift your back foot off the ground and lunge forward as you throw. Your stance will, of course, be different for each throw but keep in mind that a stable platform will help you make stable throws.

Hyzer and Anhyzer

Perhaps the single most difficult concept for novice disc doggers to master is the concept of hyzer. The name hyzer probably arose from the “Hi Sir” greeting typically extended to expert disc tossers in the late 1800’s although the true origin of the term is still in dispute. In disc dog sports, hyzer refers to the bank angle of the disc at the point of release. Once you understand how hyzer impacts the flight of the disc and begin to make practical use of varied bank angles when you throw, it will be smooth sailing for you and your canine.

While it may appear to the casual observer that most throwers release their discs with a flat trajectory, this is not the case. Although beginners should strive to keep the flight path of their discs level, the best throwers understand the aerodynamics associated with disc flight and they know that as a disc slows down, and loses its rotational stability, it will rotate toward the direction that the disc is spinning. For a right-handed thrower making a standard backhand delivery, as the disc slows down, it will begin to curve or break to the right. Ideally, you want the disc to finish its flight in a level attitude so that your canine can make an easy catch. To counteract the discs turning tendency, a good thrower will add hyzer (bank angle) to her throw. The bank angle at release is determined by a number of factors including the type of disc you are using, whether the disc has surface imperfections (tooth marks) that cause drag, the distance you are attempting to throw, and, most importantly, the velocity of the wind that you are throwing into. Here are some general rules that will help you get the big picture of how to use hyzer to your advantage.

* Older-style discs like the Fastback disc from Wham-O are not as aerodynamic as more modern designs like the Hyperflite K-10 Competition Standard. To keep Fastback discs from turning over as they fly, you will need to use a lot more hyzer than you will with a disc like the Competition Standard.

* If you are throwing into a strong wind, you may need an extreme, nearly vertical bank angle in order to keep a disc from rolling rapidly to the right. Whereas, if you are throwing with the wind at your back, a flat release will probably suffice.

* If you are making a very long throw, then the disc will be moving pretty fast through the air. As a rule, long throws require more hyzer than short throws.

* Discs in perfect condition will fly differently than worn discs. Parasite drag caused by superficial damage to your discs will increase the amount of hyzer required to keep a worn disc from over rotating as it flies. That is why it is not a good idea to switch to brand new discs right before a competition without first practicing with them. Don’t forget that it’s the little things that can ruin your day on the field of competition.

Finally, you should also know that hyzer has a sister throwing technique referred to as anhyzer. anhyzer is simply bank angle that will cause a disc thrown by a right hand thrower to curve to the right. Whether you use hyzer or anhyzer to make the perfect throw to your canine will depend upon how you want a disc to fly after you release it. When you finally understand the interrelationship between the two “hyzer siblings,” you will be ready to develop your own trick throws and handle windy days like a professional.

Reprinted with permission from Hyperflite, Inc. www.hyperflite.com.

End of Article Above

About the Authors

Peter Bloeme

Hyperflite co-founder, Peter Bloeme is currently director of the Skyhoundz Championships. In this role, he manages more than 100 Local Championships, 10 World Championship Qualifers, and the World Championship — reaching millions of consumers with messages of canine health and fitness.

Bloeme’s career of tossing, skipping, bouncing, spinning and twirling a plastic disc into the air began in 1974 when he won the Junior National Frisbee Championships at the age of 15. In 1976, at the age of 19, he won the World (human) Frisbee Championships at the Rose Bowl in California before 40,000 disc fans.

In 1983, Bloeme added a new element to his sport – a black and white Border Collie named Whirlin’ Wizard. The two went on to win the 1984 World Canine Frisbee Championships making Wizard, at less than 2 years old, the youngest dog to ever win the title. At the same time, Bloeme became the only person to win a world title both by himself and with his dog.

In 1990, Bloeme added a little magic to his routine – literally – with the addition of Magic, a black and white Australian Shepherd. Over the years, Bloeme, Wizard and Magic performed hundreds of disc dog demonstrations at sporting events including Major League Baseball, National Football League, World League football and National Basketball Association games.

Bloeme and his canine companions have also performed numerous times before sold-out stadium crowds all around the world. They have performed half-time shows at sporting events and have made public appearances in countries including Canada, China, England, France, Germany, Italy, Japan, Spain, and Sweden. Perhaps his most notable appearance was at the 1995 Japanese Baseball All-Star Game in Hiroshima, Japan where, after the seventh inning, the game was stopped for a ten minute exhibition by Bloeme and four Japanese dogs. Bloeme’s performance was viewed live by a sold-out crowd of 40,000 fans plus an estimated 26 million people on television through the Tokyo Broadcasting System.

During the 1970’s, Bloeme served as technical advisor to CBS Sports for a half-hour television special on Frisbee and toured Europe as a representative of the International Frisbee Association.

Bloeme and his dogs have appeared on television in the U.S. hundreds of times, including featured appearances on shows such as “Good Morning America,” “Late Night with David Letterman,” and on CNN and ESPN. You may remember seeing Wizard opening the Disney movie, “Flight of the Navigator.” In a Miller Lite television ad, Bloeme was responsible for the on-camera Frisbee action. Wizard even had a walk-on role in the spot. Bloeme has also served twice as the color commentator for Animal Planet in their one-hour show on the World Championships.

In 2001, Bloeme, Jeff Perry (1989 World Champion & Hall of Famer) and Greg Perry founded Hyperflite, Inc., a company dedicated to developing advanced disc technology. Their first disc, the K-10 for dogs was introduced in July of 2001.

Bloeme is author of the book, Frisbee Dogs: How to Raise, Train and Compete, a 192-page paperback, illustrated with over 300 photographs and the book, Skyhoundz Images, an 80-page hardcover photo book on the sport with captions in English, Japanese and Spanish ($19.95 U.S.).

Bloeme also co-produced, along with Jeff Perry, the internationally-acclaimed Disc Dog Training DVD, the top-selling disc dog training DVD of all time and Disc Dogs! The Complete Guide. At 360 pages, and featuring more than 600 color photos, Disc Dogs! is the most thorough and authoritative canine disc publication in existence.

Jeff Perry

Hyperflite co-founder Jeff Perry and his mixed-breed, animal shelter adoptee, Gilbert won the 1989 Canine Disc World Championship in Dallas, Texas. Prior to taking the World title, Perry and Gilbert won the Southeast Regional Championship for three consecutive years. Gilbert and Perry went on to be featured on NBC’s top-rated “Today Show,” along with numerous appearances on CNN and ESPN and other national and international media over the years. As a member of the ALPO Canine Disc Celebrity Touring Team, Perry was a media spokesperson for the 10-year period in which ALPO sponsored the Canine disc Championships.

Throughout the years, in countless interviews and public appearances Perry has extolled the virtues of adopting shelter animals. According to Perry, shelter mutts make wonderful companions and great disc dogs.

Perry and his canines have performed hundreds of times before sold-out stadium crowds at professional football and baseball games all over the world. Internationally, Perry has performed before huge crowds at Olympic Stadiums in Berlin and Barcelona and has made public appearances in Canada, China, Spain Germany, Italy, Japan, Mexico, and Puerto Rico. Gilbert and Perry were featured entertainers at the prestigious “Colare de Oro,” the Italian equivalent of the Westminster dog show.

While performing in Japan, Perry met the Crown Prince and Princess of Japan (the future emperor and empress of Japan) after one of more than 200 shows that he performed in Japan over a five-month period at the Animal Kingdom in Nasu. While in Japan, Perry and his dog Cosmic K.D. also entertained thousands of spectators in the Tokyo dome.

From 1990 to 2005, Perry served as the Chief Judge of the World Canine Disc Championships.

Perry, along with Peter Bloeme and Greg Perry, co-founded Hyperflite in 2000 and, shortly thereafter, designed and patented the revolutionary K-10 disc, the first canine disc designed exclusively for canine competition.

Perry, along with Peter Bloeme, co-produced the internationally-acclaimed Disc Dog Training DVD, the top-selling disc dog training DVD of all time. In addition, Perry co-wrote Disc Dogs! The Complete Guide, the most authoritative book ever written on canine disc sports.

In his spare time, Perry also serves as a Contributing Editor for Flying Disc Magazine.

A strong proponent of the health and fitness benefits of canine disc play for dogs and owners, Perry founded one of the first canine disc clubs in the country. Over the years, Perry has taught countless canine-disc aficionados to throw flying discs and helped even elite-level competitors improve their throwing abilities.

In addition to his canine disc activities, Perry still finds time to engage in some of his other favorite pursuits, climbing, backpacking and flying. Perry, a skilled pilot, has flown powered aircraft and hang gliders for more than 25 years and has logged more than 2000 hours in many types of aircraft. In fact, his aeronautical experience and understanding of aeronautical principles were instrumental in the design of the Hyperflite K-10 disc.

Perry received a Bachelor of Science degree (B.S.) in Journalism from the University of Maryland, a Juris Doctor degree (J.D.) from Mercer University and a Master of Laws in International Law (LL.M.) from the University of Miami.

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