Hangers Tougher Than You Think Posted on September 19, 2016 by Dave Streen wrote in PDR Tips and Tricks. Life is tough, PDR is tough, don’t make it tougher. Use EdgyHangers™ for the best leverage. EdgyHangers™ are tough. All of our tools are made to last! We take pride in every design and go through extreme testing before releasing any of our tools.