tecmac MTW154Q Travel Footrest For Airplane, Portable Adjustable Footrest Flight, Footrest Hammock Feet Rest For Plane, Desk, Bus, Office (Black) Leg and lower back support: enjoy a hammock like experience as your legs gently sway with the motion of the plane. Helps prevent lower back pain, stiffness and leg swelling suffered during long flights. Arrive feeling refreshed, energized and ready to go.