Optech "Retrieve-It" - Gear keeper

[koolstof]

I'm looking for an equipment retention system... Basically a cable between my pant belt loops and my pocketknife, wich allows quick retrieval and prevents loss.

At "Tripple-Aught-Design" (TAD-gear) I saw this one: http://www.tadgear.com/x-treme gear/op_tech_retrieve-it.htm

Where can I find similar dealies, if possible in Europe....?

Thanks.