SeriousUps.com sells information on how to jump really high
Title
Increase Your Vertical to Jump Higher with Serious Ups
Description
Excerpted from the website:
- Really Jump 8-12" Higher and Gain Lightning Quickness so You Easily Dunk ON Your Competition...”
- "Give me 30 minutes and I'll give you the secrets to serious ups, mad dash quickness, & the mental edge over all your competition"
Languages
English