Natural handle materials, 14 inches, Steel guard, Shed deer or elk antler handle with turquoise inlay. Steel guard with NK initials. Shed deer or elk/antler handle with turquoise inlay. Measurements may vary due to variances in natural handle materials. Ken Richardson began making knives from old cross cut saws in the spare time from his horseshoeing business around 1990. He then found a ready supply of shed deer rocky mountain elk horn. The acronym NK stands for.