In one aspect, seating apparatus are described herein. In some embodiments, a seating apparatus comprises a seating surface, two arms projecting upwardly from the seating surface, and a fastening strap. The fastening strap is operable to be adjusted between a tightened position and a loosened position. When the fastening strap is adjusted to the tightened position, it is operable to restrict motion of the seating surface relative to the chair.