Originally Posted by G-RadeBaller21

I was lookin on vertical-jump.com and came to this, which they say is the best buy they have ever made to improve vertical. Its called the portable power jumper. here's a link to the review which also includes a link to the main site for it..... http://www.vertical-jump-homepage.com/power_jumper.html

just wonderin what anyone thinks, even better if you have one please respond to what you think