Assertion: shackle | /r/CapableOf | prevent the drawbar
Facets:
value: from touching the ground
type: TRANSITIVE-OBJECT
Source sentences:
text: As a safety device, the chains, and consequently the shackles, must be strong enough to keep the trailer connected to the towing vehicle and prevent the drawbar from touching the ground if the coupling should break or become disconnected from the tow ball.