Leven Industries Doinker Sight EZE. The Godfrey/ Doinker Sight-Eze is a revolutionary product designed by Billy Godfrey using the patented Doinker technology. Designed to eliminate the vibration of your scope of sight pin and effectively eliminate the possibility of scope and pin breakage. Fast bows create a lot of shock that is transferred to your scope/ sight pin. This can be eliminated with this new product! It has been tested by many of the finest archers and has been proven to work. Weight is 0.9 ounces.