Jumpsoles

[rekearb]

who used them? and what do you guys think of them?

[Dobi]

they CAN kill your ankles and the plyometric exercises are equal effective if you do them without the expensive jumpsoles

[torsk]

How do they work?

[Dobi]

they look like this
http://images.amazon.com/images/P/B00073G090.01-A1YBRSRY0GFW9M._SCMZZZZZZZ_.jpg
and you are supposed to do do regular plyometric training with them like this for example:
http://www.exrx.net/AnimatedEx/Plyometrics/HurdleJumps.gif