Excerpt from product page

The Jump Manual : Most comprehensive vertical jump training
program available. Learn how to jump higher.
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THE JUMP MANUAL THE MOST COMPREHENSIVE VERTICAL JUMP PROGRAM
AVAILABLE.

THE JUMP MANUAL: THE ONLY PROGRAM THAT TARGETS EVERY FACET OF
VERTICAL EXPLOSION.  THE ONLY WAY TO MAXIMIZING YOUR VERTICAL IS TO
TARGET ALL EFFECTIVE ASPECTS.  _WATCH_ THE VIDEO BELOW, AND
UNDERSTAND WHY THE JUMP MANUAL IS SOO EFFECTIVE.

Watch the video below to understand exactly why The Jump Manual’s
multifaceted approach produces the most rapid and maximal vertical
jump gains possible.  The only way to reaping huge gains is by
obeying true training principles.  Learn exactly how to gain a
serious physical edge over your competition.

LISTEN TO AN AUDIO TESTIMONIAL FROM ALVIN S. IN FLORIDA.

-> All testimonials are %100 verifiable. I can put you in contact
with real athletes who have gained from 10 - 25 inches from this
program.

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Learn exactly how The Jump Manual uses pure science to increase
your vertical leap. It's no secret, just science.

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