CHOROGrip™ is a new product brand developed especially for use by choirs and choral groups, the original CHOROGrip™ creates a secure grip for music folders and binders. How Does It Work? “Clip It and Grip It!” 1. Snap one of the clips over the top outer edge of the spine of the book or binder as shown. 2. Snap the bottom clip onto the bottom outer edge of the spine. 3. Press the face surfaces of the hook and loop material together to form a secure, single strap.