A hand-warmer assembly and method of using the same. According to one embodiment, the hand-warmer assembly includes a hand-warmer and a leash connector. The hand-warmer may include a sleeve or a mitt having an open end for receiving a users hand and a closed end. A pocket for holding personal effects may be provided on the exterior of the hand-warmer. A closure mechanism, such as a drawstring, may be provided to close the open end around the users wrist or arm. The leash connector may include a strap and a clasp. The strap passes through the closed end of the hand-warmer, with a first end external to the hand-warmer and a second end within the hand-warmer. The first end of the strap is coupled to the clasp, which may be secured to a pet collar or leash. The second end of the strap forms at least one loop.