- Using webbing as a emergency cassette chain whip, see link below to build it. 15grams, and webbing can be used for something else. Great idea, I made and tested this after reading it. I might add to put the webbing under slight tension as you mark the spacing for the teeth holes.

- using some innertube sections to help seal headset top/bottom (he's also shown below)

source : http://frankrevelo.com/hiking/sewing_bikemisc.htm