Quote Originally Posted by rtaylor61
Rob,

If you are using a ceramic mug to heat your brush in, and the tips of the brush are resting on the bottom, it is possible that damage could occur to the tips. Keep an eye out!

RT
http://www.amazon.com/gp/product/B00...lance&n=284507

The mug is out of the Hot Shot before the brush is in, the mug isn't heated at all except by the hot water, it's not sitting on a warmer.