a butterfly knife
Butterfly knives, Flippers

Butterfly - Balisong Knives

Butterfly Balisong knives

Butterfly Knives Balisong knives from Benchmade, Bradley Cutlery, Spyderco, Darrell Ralph, Bear. en.wikipedia.org/wiki/Butterfly_knife

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Benchmade Balisong Butterfly Knife Marlow MANGUS 53

Benchmade Balisong Butterfly Knife Marlow MANGUS 53

Benchmade Knives Bali-song Morpho 32

Benchmade Knives Bali-song Morpho 32

Benchmade knives Bali-song Morpho 32bk

Benchmade knives Bali-song Morpho 32bk

Benchmade Knives Bali-song Morpho 32sbk

Benchmade Knives Bali-song Morpho 32sbk

Rainy Vallotton Swoop Butterfly Knife

Rainy Vallotton Swoop Butterfly Knife

Rainy Vallotton Ronin Butterfly Knife

Rainy Vallotton Ronin Butterfly Knife

Rainy Vallotton Featherweight Butterfly Knife

Rainy Vallotton Ronin Blue Green Butterfly Knife

Rainy Vallotton Ronin Blue Green Butterfly Knife