All models feature the patented Lake and Walker knife safety (LAWKS), which effectively turns the folders into fixed blades when actuated. One hand opening and closing is quick and smooth, the result of precision tolerances and teflon bearings at the blade pivot. The dual ambidextrous thumb studs with checkered surfaces provide instant access in any circumstance. M16-14 Big dog is a hefty, full size working knife with a modified dual grind tanto style blade.