@CNN: This travel backpack has a pulley system that claims to reduce impact and strain by 86% https://t.co/tacAi3xKMD https://t.co/2g3dbtA3uN

@CNN: This travel backpack has a pulley system that claims to reduce impact and strain by 86% https://t.co/tacAi3xKMD https://t.co/2g3dbtA3uN