winjim
Smash the cistern
Leatherman have just announced a new design of multitool that you wear on your wrist. Certainly looks interesting and top marks for portability although I don't think you could get the tools into any hard to reach places on a bike.
http://www.leatherman.com/on/demandware.store/Sites-leatherman-Site/en_US/Blog-ShowPost/?p=705
http://www.leatherman.com/on/demandware.store/Sites-leatherman-Site/en_US/Blog-ShowPost/?p=705