Q'Straint Q5-6320  Q-5000 Integrated Lap Belt. For use with Q-5000 Series Wheelchair Securement. Q’Straint provides customers with a wide assortment of occupant restraint options that allow our customers to select the best choice for the passenger and vehicle layout. A Lap and Shoulder Belt are vital in ensuring the safety of your passenger; securing the wheelchair alone will not guarantee the safety of your passenger