The "perfect beverage holder" for a raft.
I cant take credit for this "perfect beverage holder" because I first saw Terry with one while rafting the North Fork John Day in the Blue's of Oregon. Pick up some schedule 40 in four inch black plastic pipe, a four inch cap, and a regular NRS u-bolt, assuming you have an NRS frame. Cut your pipe to the length of a beer coozy, drill holes in your cap (Gotta have a self bailer!), file your pipe to fit the cap, then file the rest of the beverage holder to eliminate any sharp edges. Once filed, drill holes for the u-bolt and attatch the "perfect beverage holder" to your frame without washers (you wont have room). This thing rocks, it will accommidate a beer/soda can in a coozy, or a full sized nalgene. I highly recommend this thing, its awesome!