Wont stay on in a hot car.

I like the thing itself, but even with me putting the sunshade and covering it, it falls off almost every time I get in the car- sometimes when driving. The point of this was to make driving safer, so am disappointed. I live in Florida, so I am talking about extreme heat, and I wont put it on the vent because you need all the air you can get here. Wish there was a better way to keep it in place.

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