Project TouCans was having an issue with fog-borne moisture here in San Francisco. The flat top of the Tuna Can provided a place for water to pool—even if only a bit. Consequently, each morning, the radio would need to be lowered—don't forget, it lives in the antenna—disassembled, and dried. I tried taping the radio shut more completely, I tried tightening the banana connectors—it doesn't help that on top of everything else, tuna cans bottoms have ripples—all to no avail. And then, the solution presented itself. The kid—Diaze—and I had discussed using airliner barf bags as rain shields on our recent trip to New Mexico. I'd successfully used a Donette's bag to the same end when the gang and I were out camping back in June. I couldn't find a barf bag, a coffee bag, or a Donettes bag. (They're all lined in plastic, that's why they work.) But, I did find a plain old wax lined donut shop bag, and voila! The rig has had no water issues since. You probably also n...