Pocket knife, butterfly Knife, knife, Spring Knife, One Hand Knife

Important Parts of a Balisong/ Butterfly Knife, by Amanda

Everyday Carry Knives (EDC) Quality Pocket & Folding Knives

4.75 Closed Rainbow Plated Spring Opening Assisted Folding

Rugged Combat Knuckle Knife - Spring Assisted Brass Knuckle Blade

Smith & Wesson M&P OTF Knife - Spear Point, Gray + Black

8.5 Tactical Spring Assisted Pocket Knife (Looks Like A Butterfly

Kershaw Cryo G-10 Pocket Knife, 2.75 Steel Drop Point

Pocket Knife Spring Assisted Folding Knives

8.5 TAC FORCE Spring Assisted Open Folding Butterfly Style Pocket

MTECH USA MT-A1005BL Spring Assist Folding Knife