Jump Stretch Running

[ZenMonkey]

Well, I need some more explosiveness in my game (rugby) and on my plyo/hiit days I would like to add in some jump stretch running. Does anyone have any experience/advice with these before I blow 100 bucks?


http://jumpstretch.com/osc/product_info.php?cPath=24&products_id=98

http://jumpstretch.com/osc/product_info.php?cPath=24&products_id=42