A bedding or seating product comprises a connector assembly and a stabilizer assembly at each corner of the product for joining perpendicular first and second upholstered trusses. Each stabilizer assembly comprises a first bracket secured to the first truss, a second bracket secured to the second truss and a leg assembly comprising a leg and a threaded rod. One of the first and second brackets has a threaded boss and the other of the first and second brackets has an opening aligned with the threaded boss. The threaded rod extends through the aligned threaded boss and opening of the first and second brackets and the leg abuts the first and second trusses to assist supporting the product above the ground.