spivo® How To Play Tennis 对比 Online Tennis Instruction 的使用情况和统计数据

This is what you get: - the eBook "The Game Changer in Tennis" by Niklas Knab — recommended by WTA coaches - many of the most effective coaching tips - the SPIVO® Online Course

 and much more ... "Modern tennis training must include that of the subconscious mind optimally so that you may be maximally successful! SPIVO® teaches you how to intuitively play like the pros by letting your subconscious mind help you win like a champion! You will see changes in your game quickly, sometimes within minutes. With the app, we have given you direct access to the best tips & shortcuts from PROs on your smartphone. You just need to START using them." — Niklas Knab, Founder of SPIVO®