This custom made, Brad Duncan "Dual Action", Whiplash has fantastic workmanship with spot on fit and finish. This whiplash opens smoothly with a flick of the thumb studs locking up sold. Or, a press on the firing button pops the blade open in a very snappy action also locking up solid. This knife locks up with a liner lock at the perfect position. This Whiplash features Carbon Fiber scales with blasted Titanium bolsters and a stainless steel blade. The whiplash is a wonderful addition to any collection and/or a fantastic EDC.