Tools & Making

Ernest Emerson

Wave Feature quick-opening folding knife

United StatesEvidence: high confidenceChecked July 2026

Ernest Emerson invented the Wave Feature, a blade-spine hook that catches a pocket edge to open a folding knife during the draw. His official company identifies its long-running maker operation, and the mechanism influenced rapid-deployment folding-knife design.

01

What Ernest did

invented the patented Wave Feature, a blade-spine hook that opens a folding knife as it is drawn from a pocket

02

Why it matters

The Wave Feature created a recognizable quick-opening method licensed and emulated across modern folding knives.

03

Living-status check

BLADE Magazine published a March 22, 2024 roundtable quoting Emerson about his current U.S. knife-manufacturing work.