Assertion: switchblade | /r/HasProperty | opened with the push of a button
Facets:
value: automatically
type: MANNER
Source sentences:
text: Although commonly confused with switchblade knives, a switchblade can be opened automatically simply with the push of a button, but the user of an assisted-opening knife must open it about one-quarter of the way (45°) before the mechanism opens the knife the rest of the way.