Not sure if this has been posted before but I ran across this and thought maybe with some more modifications it might be handy. Looks like one thing needed would be keeping the lines cold so I was thinking, maybe rig a retractable spool, like on a shop light or drop light in a garage, so that the gun sits on the side of a kegerator and you just pull it out as far as you want and fill your glass. When done just let go of it and let it fly back to the kegerator. Lines stay wound up on the spool and out of the way. I guess if you just had 2 liquors on it you wouldn't need to cool it. Maybe a wine dispenser? Anyone try this before?