Raw honey for healing wounds. The sores diabetics get on their legs seem to respond to this quite well.

The glass filament out of a 1000watt Sodium Halide light bulb works great as a sharpening rod.

Dryer lint as tinder works great. Also keep some duct tape with your fire kit to stick the tinder to when the wind is blowing hard.

I have others just can't think of them right now.