In the late 1960's. He designed and patented the rotary folder knife.
The blade and both handles rotate-once locked-you can not close the blade on your fingers. It is known as the "swinglock", "rotating folder", "woodlock" and "survival" Knife.
HANDMADECUSTOMBARRY WOOD KNIVES MADE IN VENICE, CALIF. RAREVINTAGEWOOD KNIVES MK-1 ROTATING OPENING CLASP KNIFE. 3&1/4 INCH 440A STAINLESS STEEL CLASP BLADE HAS A VERY SHARP EDGE THERE ARE THE NORMAL OPENING AND CLOSING MARKS ON THE BLADE WHICH IS INHERENT TO THE KNIFE'S DESIGN, EVERY MK-1 KNIFE I HAVE SEEN HAS THESE MARKS ON THE BLADE AND INSIDE THE FRAME AS WELL. ROTATING FRAME BLADE LOCK LOCKS UP TIGHT AND STRONG. STAINLESS STEEL AND BERYLLIUM COPPER FRAME WITH CORDOVAN MICARTA SCALES.BE SURE TO VIEW SELLERS OTHER ITEMS FOR MORE CASE XX, SCHRADE, KERSHAW, SOG KNIVES AND OTHERS. The item "CUSTOM BARRY WOOD VENICE, CA. MK-1 SWINGLOCK KNIFE BLACK MICATRA WithTUBE&PAPERWORK" is in sale since Saturday, November 12, 2016. This item is in the category "Collectibles\Knives, Swords & Blades\Collectible Folding Knives\Modern Folding Knives\Custom & Handmade".
The seller is "bladetrader67" and is located in Chuckey, Tennessee. This item can be shipped worldwide.