ClearSonic HingeAll ClearSonic Acrylic Panel systems proudly feature our custom designed low profile, heavy duty mechanical lock hinge. ClearSonic Acrylic Panels undergo an extra step in the manufacturing process that creates a locking groove on the long edge of the panels. This is achieved by the hard tooth on the hinge snapping into the groove for a superior, longer lasting hold. Exceptions to this are the H Channel (HCNL) and Base Channel (BASE) which attach to