Why arent these available yet i wonder?

[gonzogicker]

Possible weight saving for sure. They don't look very strong though.

http://www.youtube.com/watch?v=Hn7B89C3ack


http://www.youtube.com/watch?feature=endscreen&v=HccKHIK2fj0&NR=1

 

[tommy 555]

good idea , say we'll have a form of them in years to come