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

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, )

Oliasports Rainbow Practice Balisong Metal Butterfly Steel Trainer Dull Knife : : Sports & Outdoors

Diccionario Japones, PDF, Flax

Fillet knife vs deba Kitchen Knife Forums

Monkey D2 Tool Steel Original Filipino Balisong butterfly Knife

Help Identifying butterfly knife. : r/knifeclub

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

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

TRUEGOOD Butterfly Knife Trainer - Practice Butterfly Comb Trainer with Unsharpened Blade, Metal Steel Practice Training Knife (Blue-1), Knives - Canada