Great for relieving stress and back aches. Great for post workout soreness and muscle strains. Works to relieve tension when your back is especially tight or sore.

The zensufu back mat and neck pillow set is one of the best buys i've made on amazon. Many guests have been impressed by this and have ordered one for themselves. It's the only christmas present i still use on a regular basis.

As you work through the pain, the pain fibres get tired out and stop firing. The first few minutes are prickly but then it becomes the most relaxing sensation. Putting on some cooling rub after also is a neat touch.

For me, after about 10 minutes it seems to increase the melatonin in my system, resulting in a deeper sleep. I use the mat for about 20 mins a night after my devotional/meditation.

At first it just *, but like anything worth doing - it's hard at first. Definitely work up to using it with no shirt. Start with laying on it for just a couple minutes.

This is a perfect example of marketing that takes advantage of people's ignorance. Worst part is it isn't returnable so beware. Save your money.