Basic pickpocket
protection. Most travelers don’t have it???
Loud makeshift "Door Knob Alarm". Make instantly from room content.
Two quite simple zip modifications is a challenge for
pick pockets. Use on back pack, day pack, fly fish type vests, bags, trousers
etc.
An extremely compact/light
substitute for the Mosquito killing electric racket. Weight some .2 oz, 5 g.
How to wash and dry clothes in an hour even in many
small villages without electricity in the third world. And more on washing
clothes.
Maybe you already
know: Don’t trust combination locks. Use Base Camps.
How to make a makeshift around-cupboard-locking-wire.
How to carry hand
fan and other long objects non visible/visible on your body.
Razor blade
artist pocket guard. My unexpected encounter with a razor blade artist.
How I compress clothes. Several methods.