USA Knife Maker, "aka Knife Dogs" makes the "Kwick Thumb Stud" & "Kwick Thumb Bar". These products make a large folding knife like the Buck 110 a cool looking one-handed opener. The Kwick thumb Studs and thumb Bars also give a more finished or polished look to the knife. They come in brass, black oxide, and stainless.

The Kwick Thumb Studs & Bars can definitely add that extra pop and functionality to just about any good-sized pocket knife.