Ok I'll bite

On keyring:
Cyberlight LED
Mountain Survival Whistle

In wallet
Watercarrying bag
Alluminium Foil
Band Aids
CPR Mouth Shield
First aid reference card
Screwdriver accessory from SAC
Mini Compass
10 nato matches and striker in waterproof packet
4 Fishing hooks
8 Aquaclear water purification tabs

And
Leatherman Wave