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Amazon.com : Butterfly knife, 2 Pack Practice Knives Trainer Martial Arts Practice Swords Steel Metal Folding Training Knife Tool Unsharpened for Men Boys Kids CSGO : Sports & Outdoors
I want a trainer butterfly knife, but my parents really don't think it's appropriate. What should I do? - Quora
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Stainless Butterfly Knife | Stainless Styling Tool | Stainless Comb | Outdoor Tools - Knife - Aliexpress
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