I just came across this awesome and fairly new substance that is called sugru. Sugru is a whole nother class of silicon because it bonds to most materials, and when.
SUGRU hacks Replace a missing zipper pull
I call it Oogoo, an inexpensive silicone clay that is easily made. It can be used as an excellent substitute for Sugru. It can be hand molded or cast in forms.
Beyond the obvious replacement handle with sugru
So bril. Modify clothes hangers so that strappy clothes can't slip off.
Casting Objects in Sugru (Make Your Own Candle-wax and Metal LEGO Minifigs!
If you are like my wife, the winter time cold can make your fingers shrink slightly. I was worried about her losing her wedding ring so I came up with a temporary.