Assertion: shackle's length | /r/CapableOf | prevent the bar
Facets:
value: from putting tension
type: TRANSITIVE-OBJECT
Source sentences:
text: I'm happy to report that I've never seen anyone selling a setup like this with a swinging shackle at the front end of the bar, because that would make the system useless by allowing the length of the bar to change and preventing the bar from putting tension on the spring.