well i was lookin around and found CLEAR silicone.
the only reason people like nylon is because its clear... and cheaper.
well the silicone i found IS clear... but it is NOT cheap
its about 4.50-5.50 per foot =/
http://www.mcmaster.com/catalog/108/html/0096.html scroll to the Class VI Medical Grade Silicone Rubber Tubing
anyone ever use this stuff before? i think it would be pretty cool to have but not at that price.