Lengthen you seat time on the Fitdesk while benefiting from improved support by taking advantage of the Fitdesk Seat Backrest! It bolts onto the Fitdesk seatpost using supplied hardware. Just bolt the included back rest cushion to the seat back frame, then install the assembled Backrest onto the rear facing part of the seat post using the pre stamped holes just under the seat. With better support and the ability to lean back more, websurfing,shopping, reading, and beating the next game level can be enjoyed with more comfort and longer rides!