Wilderness Systems Orbix Storage Bin for Kayaks - Round, Single Pack, Black, One Size

There's this for the round hatch: https://a.co/d/0aweYcrL For the fwd oval hatch, there should be a couple of loops of line up under in front of the hatch. You can use a couple of S-Biners to keep gear from disappearing into the hull. I put my C-Tug dolly in there, and the only parts that can slide back are the bunks. ETA: Mine is a newer model year, but the loops are attached to the inside hardware for the paddle catcher bungee on the bow