Side Cutters is a #1 must not only for your partners but the occasional guy you meet on the water or on the boat ramp that doesn’t need to goto the emergency room to get the hook out of there hand, pliers pliers pliers, split ring pliers is always a nice thing to have, TP, Duct tape, electrical tape, a fish counter ( for the good days), a small toolkit with a couple of sockets, screwdriver with the proper bits alot of boats these days have Torx, fuses, a sharp knife in case you get stuck in the prop, a tow rope in case your buddy breaks down, jumper cables, and a bucket.