@CNN: This “hovering” backpack claims it’ll help your back, neck, knees and ankles take up to 86% less punishment https://t.co/VNylLEtLZO https://t.co/TnZ1I5bvzQ

@CNN: This “hovering” backpack claims it’ll help your back, neck, knees and ankles take up to 86% less punishment https://t.co/VNylLEtLZO https://t.co/TnZ1I5bvzQ