Custom Osage NK5 with Horizontal Sheath – Reverse Published August 19, 2025 at 639 × 426 in Custom Osage NK5 with Horizontal Sheath – Reverse This little custom job is the NK5 Neck Knife design from the Past Work gallery, with a compact horizontal sheath to go on the belt instead of a neck sheath! It has an aged osage handle, aged blade finish, brass pins and a lanyard hole.