The unisex Fid Cuff is the perfect compliment to stack alongside our signature Sailormade Brummel Rope bracelets. This solid brass cuff resembles a nautical fid, or marlin spike, which is a tool traditionally carved of wood or bone and used to splice and knot rope on ships. The nautical Fid Cuff Bracelet is cast in solid brass and offered in three finishes: Raw brass Antique Brass Oxidized Silver One size fits most.