How Do Hand Warmers Work? Modern hand warmers are air-activated, meaning they only start working once you open up the packet and oxygen can seep inside. Once that happens, the oxygen reacts with a ...
Denver-based tech manager Andrea Heap has an unusual side hustle: Since 2010 she’s taught people from all walks of life, and of all genders, how to give a hand job. Like, the best hand job. Her ...