Drink Tank air pump mount and adapters

For parties, I don't bother with CO2 for my Drink Tank, but rather use a bicycle pump. But it took three hands to poor a beer with two for the pump and the third to operate the faucet. So, I designed a clamp that mounts the pump to the handle and then a Schrader to 3/8" hose barb and a 3/8" hose barb to threaded connection to the drink tank cap. I put an O-ring groove for a P6 O-ring on the adapter to the Drink Tank cap. I printed the clamp straight up, but now that I think on it, it'd be st