D&Kmall Balishark Butterfly Knife Balisong Trainer, Sturdy Blunt Integral Channel Handle Advanced Practice Flip Stuff Solid Heavy For Finger Strength Shark Design Cap Openers

toptens Folding Tactical Trainer Practice Butterfly Knife Metal Steel G10 Handle Bearings Blunt Dull Blade Unsharpened Tool for Safety Improving Skills (Black)

Anlado Balisong Butterfly Knife Trainer Practice with O-Ring Latch - Enhanced Version - Black Metal Steel - no Offensive Blade - for Beginner, Children, Butterfly Knives Lover and More

VORNNEX Practice Butterfly Knife with Sure Spring Latch, Full Stainless Steel Black Dragon Dull Balisong Trainer, Unsharpened Butterfly Knife Comb for CS GO Training(Silver)

VORNNEX Practice Butterfly Knife,Full Stainless Steel Unsharpened Blade 100% Safe Dull Butterfly Knife Trainer Butterfly Knife Comb for Training(Silver)

KPL Knife Pivot Lube Knife Oil

Squid Industries Squiddy Butterfly White Plastic Practice balisong Dull Blade Knife Trainer

2PCS Butterfly Knife Trainning Practice Comb Unsharpened Blade Black,by Moon Boat