Assertion: piton | /r/ObjectUse | used by modern climbers
Facets:
value: to create rappel anchors
type: PURPOSE
value: to create belay
type: PURPOSE
Source sentences:
text: Pitons are used by modern climbers as one of the last methods and tools to create belay and rappel anchors and for protection on a route since the placement and removal of pitons damages the rock and leaves unsightly piton scars.