Assertion: piton | /r/CapableOf | call pin
Facets:
value: in climbing
type: OTHER
Source sentences:
text: In climbing, a piton ( ; also called a pin or peg) is a metal spike (usually steel) that is driven into a crack or seam in the climbing surface with a climbing hammer, and which acts as an anchor to either protect the climber against the consequences of a fall or to assist progress in aid climbing.