great thing relaxes the stricken back or thighs

I am excited about the Black Roll, had met my expectations fully.
With shortened musculature or back pain I use them.
The pain does not disappear, but I can make my stretching exercises with better mobility of the muscles, or I can painless move after I rolled my back habe.Die mobility take after rolling of the body as a whole easily.

The Blackroll I buy again and again.