Dr. Cohen's Acuball Kit
Product Review (submitted on September 30, 2010):
I love this thing - really, it is amazing. The large Acuball heats up after 1 minute in the microwave and feels absolutely incredible behind my back. I am amazed how well this works.
The mini-Acuball is excellent for my aching feet. The book is excellent - the Computer user's chapter was worth it alone!
Overall this is one of the best back products I've ever used.