Low-tech reusable hand warmers are compact devices that provide instant heat through a chemical reaction in a sodium acetate gel solution. A small metal disc inside the warmer acts as the trigger ...

Whenever you need a little extra warmth, just put them inside your gloves or pockets for instant relief. One pleased customer described the hand warmers as "durable, with a strong, leak-proof ...

This most definitely applies to hand warmers too. With the right hand warmer, you can pleasantly recreate in virtually any cold-weather setting and still enjoy toasty-warm digits. After putting 11 ...