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LDY Balisong builds butterfly knives for one audience: flippers. Everything in the catalog is engineered around flipping performance, from published pivot torque specs to a public version history that shows each model evolving batch by batch, and the brand runs its own annual LDY Competition to push the designs where the community takes them. LDY even released its Sirius AM trainer as an open-source project anyone can 3D print for personal use, one of the most accessible entry points the balisong world has ever had.
The Sirius V4.5 leads the lineup in tanto and kukri blade shapes, each with a matching trainer so you can drill drops and aerials with identical balance before trusting an edge. The Kite series spans the aluminum V1.5 in live, reverse tanto, and trainer versions, plus the flagship Kite Ti, and the Orion V2 trainers cover pure practice duty in anodized cyan, purple, and black. The Frank, Cygnus, and Corvus round out a catalog where those version numbers mean something: every revision folds in feedback from competitive flippers before the next batch ships.
Handles run precision-machined 7075 aluminum with anodized and ceramic coated finishes, built on channel and channel-sandwich construction with bushing pivot systems tuned to a specified torque. Live blades run 440C stainless at 3 to 3.5mm, a deliberately tough, low-maintenance choice for steel that gets dropped on concrete daily, covered in our knife steel guide, while trainers run unsharpened 3Cr13. The Kite Ti tops the range with 6AL-4V titanium channel liners under carbon fiber scales at a featherweight 91 grams, detailed in our knife handle materials guide. Alongside the Lucha in our butterfly knives selection, LDY covers the flipper's whole path from first rollover to competition rotation.
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