A bondage device used in face sitting; a box roughly 2'x2' in width & depth, and about 9"-12" high. It is hinged on one side about halfway up. A hole is cut into the opposite side for the sitee's neck, and one cut in the top for the sitee's face. Padlock latches and eyelets for other bondage toys are mounted on the remaining sides.
The box is padded on top and inside.
She placed his head in the smotherbox, and locked it shut.