It's a big thing on a certain lake in South Georgia. Float tubes everywhere, people will get out in the big water and tie off to something with hopes of killing a canvasback which this lake is known for. I guess they are just a whole lot cheaper than a nice layout boat. Had a hunter on this lake, I believe two season ago, his tube came untied from whatever and he got swept over the damn. Left behind a wife and 1 year old daughter. I know we may push the boundaries sometimes but we've got to ask ourselves if that one canvasback or whatever is worth the danger involved.
Make sure you tie your gun off somewhere to the tube, in case you drop it. I've seen some pretty elaborate setups with pvc frames built around them and all camoed up. Get you a pair of those diver flippers too