Don't forget the parachute cord.
My first duck hunt out of a canoe, my Uncle handed me a 6 foot section of Parachute cord. I asked what it was for, He said you tie it to your trigger guard, then tie it to a thawrt. If we flip over we pull the guns back in the boat and do not have to dive in the swamp hoping to find our guns.
Other than that, really cool smooth bore.