for all of you who want to make backyard rails this website sells them, they are a skatboarding site but my friend bought a rail from them and its hella tight w/ skis. they also sell small skateboard ramps which make great bases for building jumps for accesing your rail so if a wanna buy some or see them heres the exact addres http://shop.ccs.com/catalog/browse/productgroup.asp?CATALOGID=70&STORE=SKATESTORE&PARENT=3
Bottom line everything sucks -Seth Morrison