Assertion: switchblade | /r/HasProperty | switched
Facets:
value: " forward
type: MANNER
value: by pressing a button
type: MANNER
Source sentences:
text: A switchblade is a knife that is "switched" forward by pressing a button, switch, or lever.
text: A switchblade, (also known as an automatic knife, switch, or in British English flick knife) is a type of knife with a folding or sliding blade contained in the handle which is opened by a spring when a button or lever on the grip is pressed.