Climbing
Crag etiquette, rockfall and not dropping things on people
The most common way to injure someone at a cliff is not to fall on them. It is to send something down at them, and almost all of it is preventable.
Topic
etiquette
Every Extreme Sports Adventures article tagged etiquette — 2 pieces across 2 sections.
Surf & Ocean
Surf etiquette is a safety system, not a social code
The rules of the lineup are usually explained as politeness. They are actually collision avoidance in a crowded environment with heavy objects moving fast.