I wasn't sure where to put this exactly so I figured this section would be appropriate.
Surely you all know what ranger bands are, just cut strips of inner tube used as elastic bands for whatever purpose. They have excellent strength and are lightweight as well as compressible. For some reason this never occurred to me but I decided to see what sizes I could make from one diameter tube. By just cutting on consecutively steeper angles you can make larger size bands which could be used to secure wider gear.
Here's a picture showing what sizes you can get from just one strip: