I designed an ammo rack that can be mounted on the KAHU’s head, but unlike the stirrup modification, you can’t make it with the leftover parts. This requires two of the large gears used on the TOA backs, the center block and black T-joints come from the NUI-RAMA, and the dark grey T-joints and the dark grey three-way joints are leftovers from building the KAHU combiner, though you’ll need another three-way joint if you want to build the stirrups as well. You’ll also need two #3 plus-rods, four #2 plus-rods, and four #2 black pins.