Quote Originally Posted by bigsilk View Post
I like the idea, but I'd be concerned about using a penny, or anything disk-shaped; I'd be concerned about the stress on the fabric. How about a river pebble, a marble or, one of those little super-bouncy balls? Or even a monkey fist, which could be made from some of that paracord you carry.

Actually, if you stuck to the monkey fist method, you wouldn't have to sew anything at all; you could adjust it for different scenarios, and you wouldn't have to bring anything extra, just use what you'd normally bring.
I don't know what a monkey fist is, but I get the idea -- very cool trick!