Cliff cut the drawer shorter and put better rails on it. The other seat now opens for storage and the space between the original seats will be made into bins for water and 2 t.v. trays.
The seat has a swivel base attached to a plate that attaches to the original plate, but it is moved back 3 in. And toward the center so I can swivel easily.
There is a post about seats that shows the plates.
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