Key Features:E-Stim Humbler: This classic humbler just got a kinky upgrade! Keep them on their knees and add some electricity to stimulate and shock them!Smooth Wood Construction: The smooth wood construction is both durable and safe.E-Stim Adapters: With 2 in-line adapters, you have twice as many ways to shock them! Compatible with most E-stim kits and boxes.Locking Mechanism: The built-in lock adds another level of bondage and restraint. Two keys are included for the lock.Hinged Opening: Easily open and close the humbler while keeping the pieces aligned via the hinged opening.