Anyone ever try this with thru-hull scuppers?

[workinpr0gress]

Thanks for the input guys... I realize a joker valve usually operates under pressure. But I would think that the boat moving would create enough suction to pull the water out or if you took a sizable amount of water in the cockpit it be enough weight to open the valve enough or you could just yank them out. I realize it might not get rid of the water as quickly as liked but its got to be better than running with the plugs in. You can buy duckbill valves, joker valves in tons of different sizes...