Is Tech Making foam roller with vibration Better or Worse?

http://the-interesting-blog-9991.201573.n8.nabble.com/this-weeks-top-stories-about-foam-roller-vibrating-tp24.html

Have you ever wondered how does a roller job? Did you know that there are 2 standard kinds of rollers, the vibrating foam rollers and also the smooth wood rollers? There are lots of various other kinds of rollers