When you consider safety, yes it's a ****ty idea..
However, this dude created an automatic self refilling spare air. Imagine if this got scaled up to a full size scuba tank that was self refilling on the surface. I applaud his innovation, and think overall it's a cool gadget.
However, this dude created an automatic self refilling spare air. Imagine if this got scaled up to a full size scuba tank that was self refilling on the surface. I applaud his innovation, and think overall it's a cool gadget.