or the inside of a coat. in particular, if the heat pack is attached to the lower part of the belly, waist or shoulder, the entire body will be covered with the warmth coming from the heat pad by the circulation of the blood. than lori at simply lashes. my skin feels 10 pounds lighter when i leave. she is professional and caring and listens to your concerns and works with you about your skin. i have been going to lori for years and highly recommend her! 