The handwarmers are brand dependant. For best results shake and squeeze them for about 30 mins to get them going good. Place them on the back of the hand and on the top of your feet so the veins close to the skin carry the heat to toes and fingertips.
Been using them 30 yrs and they all work for me as long sa they arent duds.
Skam
Been using them 30 yrs and they all work for me as long sa they arent duds.
Skam