of the Idea of Decksters, a plate of aluminum diamond deck plate. with bolt holes for cleat bolts

Spare cleat + the equivalent of pontoons, underneath, to stabilize the plate.
like pocket edges of the Spud shoes..

to make it better than the one QBP sells, make it bigger, and drill and tap it for a bunch of little setscrews

.. to serve as traction grip-pins to keep your rubber boot-soles from slipping.



the plastic ones may not be best in the shoe grip criteria .. but are readymade. & cheap.