I was surprised to discover this recently. A butterfly deba. Apparently Daiwa makes several butterfly style fishing knives. : r/knives

165mm deba Kitchen Knife Forums

Hi, can anyone help me identify this balisong? Thanks! : r/balisong

Anyone help with the history of this knife? : r/knives

Help Identifying: Does anyone know when this Marbles bird neck knife might be from? : r/knives

Fillet knife vs deba Kitchen Knife Forums

165mm deba Kitchen Knife Forums

2PCS Butterfly Knife, Stainless Steel Practice Training Tool, Butterfly Trainer for Beginners Practicing Flipping Tricks, 100% Safe and Durable, Metal Folding Knife Unsharpened Butterfly Knife (Set of 2, Black and Silver, ) : : Sports & Outdoors

Found this vintage looking stainless steel double dragon butterfly knife today, never owned one before : r/balisong

Butterfly Knife, Trainer Practice Tool Steel Metal Folding Knife Unsharpened Butterfly Knife Comb for Practicing Flipping Tricks (Black and Silver, Set of 2) : : Sports & Outdoors

Fillet knife vs deba Kitchen Knife Forums

The Barber Balisong Butterfly Knife Straight Razor

Anyone help with the history of this knife? : r/knives