Assertion: switchblade's blade | /r/HasProperty | exposed in automatic way
Facets:
Source sentences:
text: A knife with a blade that is exposed in an automatic way and moved from the closed position to the open position exclusively by the release of a compressed spring.
text: An automatic knife (also known as a switchblade, auto, auto-open, switch knife) is a knife with a blade that is exposed in an automatic way and moved from the closed position to the open position exclusively by the release of a compressed spring.