Making cheap rubber band clamps

Sometimes it's just easier to make clamps than go out and buying them. Especially when you are looking for ones that you need for a specific job. The good thing about making clamps yourself is that you probably have all the materials laying around, most likely in the bin with scraps.

The only thing you need is some wood and a rubber / elastic band. You could make these clamps in any size, as fancy looking as you want. The "round stock" can be a broomstick, a dowel or even some copper pipe, it's really not important. On request I made a little drawing, but it is just to inspire you to experiment.
click on the picture and save it at original size (A4)

To make it all a bit easier, here's a video on the making of...