Just some suggestions for rare loot items that have function outside of being worth a few gralats
Hats- Pirate bandana, Double Eyepatch, Seaweed Wig
Bombs- Depth Charge, Submersible Mine, Faulty Nukeshot
Bows- Harpoon Gun/Throw, Trident Throw, Coral Bow, Loose Cannon
Other- Cannonball Bag (increases bomb carry limit)