Brainlet here i always wonder about somthing i try to google it but could really fine notting to anwer my Q (sorry im not great in english).Anyways i know there are hot pads and what not but whats to stop somoene from making a cool pad or/snuggie type thing the idea is to cool your body down with maybe coils inside the blaket.Has this been tryed before or is it not worth the time to make a item like this anyone can help me out with the sci behend if this could work or why it cant?