Safety Restraint Worn by Abseilers
Puzzle 13 of Safety First Hard Pack
Question is: Safety Restraint Worn by Abseilers
and the answer is: HARNESS
Word Meaning:
HARNESS — (countable) A restraint or support, especially one consisting of a loop or network of rope or straps, and especially one worn by a working animal such as a horse pulling a carriage or farm implement.
Definitions from Wiktionary.