BIG-D cockring is thick super-soft rubbery flexTPR big enough to wrap around your cock and balls and push all you got up and out for the biggest “D” look and feel...but BIG-D also has gripper flanges on top that squeeze the base of your shaft for even bigger harder extra D. BIG-D is oval shaped for better ergo fit, and its got extra padding on the back under your taint for more push-up and push-out...the base of this ring curves in for a bit extra squeeze at the bottom of your nuts and shaft, more squeeze me