when left in place for several minutes, or heat up a water-proof heating pad to a safe level that will not burn you when left in place for several minutes. soak a small towel in very hot water and wring it out so that it is just damp – but hot. place this hot damp towel over the most painful area of the back. immediately place either the hot water bottle or the water-proof heating pad on top of the hot damp towel to keep it hot. the hot pack should be large enough to cover the area of your low back pain.
how to make a cold pack – use 