"I've never found the need to shave my arms in a survival or normal outdoor activity"

Spotting that someone else has can be useful! In one of Patricia Cornwalls novels her heroine warns a scumbag in a bar that the he'll never make it to his knife, because cops carry guns....

The Sock
_________________________
The world is in haste and nears its end – Wulfstan II Archbishop of York 1014.