What's needed here is a rub rail that expands with air pressure all along the boat from bow to stern, making it kinda like a rigid inflatable boat (RIB).
Probably have to be about six inches wide to provide the elastic expansion necessary to protect the boat.
Probably could be powered by an electric driven air compressor, which would also be useful for inflatables, swim toys, and blowing away glowing orbs in the middle of the night!
******************************************************
You're right, Bill-
"Honey, I think your late first husband doesn't like us sleeping together in his bed and in his house where you spent so much time together. I know he's haunting the house in the form of a evil glowing orb."
"Honey, I think your late first husband doesn't like us sleeping together in his bed and in his house where you spent so much time together. I know he's haunting the house in the form of a evil glowing bumper."
"Honey, I think your late first husband doesn't like us sleeping together in his bed and in his house where you spent so much time together. I know he's haunting the house in the form of a evil glowing fender."
"Honey, I think your late first husband doesn't like us sleeping together in his bed and in his house where you spent so much time together. I know he's haunting the house in the form of a evil glowing Scotchman."
"Honey, I think your late first husband doesn't like us sleeping together in his bed and in his house where you spent so much time together. I know he's haunting the house in the form of a evil glowing Hippity Hop."
Keep yer' orbs warmed up, it's Friday Night, ya' know!
Joe.