Benchmade Griptilian 550 in Spyderco Wave action(using a black zip tie) i think this works with any knife that has the tip-up clip and the hole in the blade. the zip tie should be hanging off the side where you have your clip.

If there’s a right way to make a manual folding tactical or hunting knife this is it: The outstanding Benchmade Osborne Axis 940 series of knives. All makers take note of these knives: ultra fast and easy deployment due to perfect pivot construction and balance. Who needs an auto with deployment speed like this. It really doesn’t get any better than this. Add superior construction throughout, rock solid lock up, great 154CM blade steel, a cool purple titanium spacer on the back, strong clip …