Here is an introductory video explaining the new patented designed Frame Grip. Works on both wood and plastic bee frame foundations. Comes in three models: Universal (for both wood and plastic) Wood Only and Plastic Only. Has several more unique features such as a Locking-Arm, positioning guides.
Here is a functional video of this fantastic Patented Mule-Grip™ and how it works on your bee frames.
Just press on the link below