Has anyone come up with some sort of protective skin that would keep an e-cig cool when out in the sun - like laying out on the beach? Where to put the e-cig? Can't let it bake in the sun, and in really hot temps. just covering it with a towel is not enough. I would like something to keep my e-cig cool - or during summer you want to leave it in the car for a period of time and not totally bake, or worse, blow up - I don't always want to carry it with me. Is there an e-cig cooler?