Assertion: catapult's sling | /r/CapableOf | hold the projectile
Facets:
value: at one end
type: LOCATION
Source sentences:
text: Mangonels have an arm with a bucket, cup, or most often a sling to hold the projectile at one end.
text: A trebuchet is a weighted beam that swings a sling carrying the projectile (see this page for pictures).