- all you need is an innertube and a sewing machine. It's soft, malleable, flexible, durable and aesthetically it's a nice looking design. the rubber is relatively easy to sew and the finished product will fit nicely in the back pocket of anyone who drives a prius or wants to seem just as green.
Step 1: Materials
- innertube - a 26 x 1.9/195 tube is the perfect height without having to trim.
- sewing machine - you'll need one with adjustable tensioning
- black thread
- a license or card
- a ruler