Gravity knife
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A gravity knife is a knife with a blade contained in its handle, which opens its blade through the force of gravity. This mechanism of opening is fundamentally different from the switchblade, which ex
German Luftwaffe Fallschirmjäger-Messer or air force paratrooper knife
Folding "false" gravity knife
Conversion knife
Pantographic knife
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A pantographic knife or paratrooper knife is a folding knife whose blade is opened by a unique scissors method. The blade has a slightly longer tang than a folding knife heel. The handle is symmetrica
Gravity knife
…Rampuri Pantographic knife, often incorrectly referred to as a "Paratrooper Knife…
Pantographic knife