I watched lots of videos and read lots of article, and I think this device has so much potential. Because of some knee issues, I am currently taking it slowly.....baby steps, if you will.....and I am thoroughly enjoying each of my 'sessions'. Thanks for a great product
We bought the less expensive one which’s isn’t 4d it makes all the difference the 4d is the way to go. Takes away aches and pains warms you up and relaxes you too