RARE CUSTOM BUCK KNIFE 186 TITANIUM DUAL BLADED FOLDER 1 of 1 By “Joe Houser”. A Very Special Knife. Joe Houser had made a handful of different variations of 2 bladers and even made a few different 3 bladers of these Custom 186’s in Bucks Custom Knife Shop. A very Special Knife. As photos show, this knife is Gem Mint New all over. It has been a safe queen since New. Please read COA Letter for Best Description. Approx: 4 7/8″ CLOSED x 8 5/8″ OPEN BOTH BLADES LOCK SOLID WITH NICE SNAP.