Rachett Disc Posted by Sean Geng on December 17, 2015 This unique disc perc has many tiny slits that run at an angle around the tube. When water is pulled through it, the disc divides the smoke up into smaller bits and spins it in a whirlpool fashion. Related Topics Rachett Disc Encyclopedia How Does Your Endocannabinoid System Work? 6 Minute Read Products with Rachett Disc Discuss "Rachett Disc"