An apparatus for mounting an attachment to a seat assembly including a seat mounted on a base includes a substantially planar, substantially rigid mounting plate configured to mount between the seat and the base, a first portion of the mounting plate engaging a plurality of threaded fasteners between the seat and the base, a second portion of the mounting plate extending beyond a perimeter of the seat, and an attachment attached to the second portion of the mounting plate such that the attachment does not interfere with a movement of the seat.