I made a set of four last week from 2x6 boards sandwiched between 1/4 in plywood.
Glued and screwed the lot together and then coated the works with some Flex Seal and then screwed rope handles on.
I am not sure how they will work out so I am going to try you idea next.
2016 F350 6.7L LB CC Reese 28K 2014 Chaparral Lite 266sab
"Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety." 2014 19 days camping 2015 17 days camping201620 days camping