Dewar's Joint Posted by Sean Geng on December 17, 2015 Reinforced with a technique called a "dewar's joint", which is a bridge between the two joints, this increase the strength of the joint and helps prevents breakage. Related Topics Dewar's joint reinforced Encyclopedia How Does Your Endocannabinoid System Work? 6 Minute Read Products with Dewar's Joint $25.99 Pulsar 5-Arm Tree Perc Ash Catcher (40) Discuss "Dewar's Joint"