My new butterfly knife can y'all tell me some tips and tricks because I'm bord : r/butterflyknife
Amazon.com : GOOD WORKER Butterfly Trainer - New 2023 Balisong Trainer - Practice Butterfly - Balisong Butterfly Knives NOT Real NOT Sharp Blade - Black Dull Trick Butterfly - Butter Fly Training
Easy Butterfly Knife Tricks for Beginners - SwordsSwords.com