Backcountry Research Mutherload Frame Strap PurpleThe Mutherload maximizes all the benefits of a dual shockcord retention system with the versatility and adjustability to mount what you want, where you want it, anywhere on your frame Quickly and easily mounts anywhere on your frame. Adjusts to accommodate frames as small as 4 inch in circumference (think steel frame) all the way up to a 9 inch circumference carbon frame. 1 inch width easily fits in tight spaces Unique design maximizes grip to keep