Maybe we misheard and he said “this lets me sell more shoes”

Velcro sewn to just inside the top of your pocket, so sticking a hand in your pocket makes a loud noise and you can feel it, for any pickpocket to separate the velcro.

At the very least a sniper should be good at sitting very still for hours at a time.

FYI the younger ones are screaming because of pain from the inner ear air pressure changes that they don’t know how to prevent.