Dual action OTF knives displayed in a wholesale and retail sales environment

What Spring System Do OTF Knives Use?

Most double-action OTF knives use an internal spring-and-carriage mechanism, usually built around coil springs, to drive the blade out and back. Single-action O
pocket knife sharpener

How to Use a Manual Knife Sharpener

Learn how to use a manual knife sharpener with simple steps, safety tips, common mistakes, and buyer advice for home, retail, and wholesale buyers.