The cold metal does insulate the temperature of the drink, which is particularly nice in warmer weather, and the handle keeps the body heat of your hand away from the mug walls to protect the liquid inside. (theeverygirl.com)
Slowly rewarm affected area with heat of your hand, by applying warm compresses, or by immersing in warm water (102 to 104 F, or 38.9 to 40 C). (animalplanet.com)
When needing to get the popsicles out of the mold, you can run the cup under hot water like a normal person, real quick like, and pop it out that way or you can go action movie status like me and squeeze the cup, using the heat of your hand and shooting it out, making people jump. (witandvinegar.com)