Zippo Refillable Hand Warmer Review: Old School Cool Published on August 19, 2022 by Ryan Hallstrom · Product Reviews May contain affiliate links (what's this?)Zippo is famous for their quality metal lighters. Their refillable metal hand warmers are less well known. Read on to find out how you can keep your hands toasty warm in about Zippo Refillable Hand Warmer Review: Old School Cool