Bagsmart Backpack - Black hide_cod Felt and Flex nibs are

Felt and Flex nibs are sold separately

Change brightness

making independent left and right motion control possible

To be clear

Bagsmart Backpack - Black hide_cod Felt and Flex nibs areBagsmart Backpack TSA Friendly & Antitheft Convenient At Checkpoint, Can Be Opened To 90 180 Degree Easily, Quickly Pass At Airport Security And Keep Things Tidy. Luggage Strap Allows Backpack To Slide Over The Luggage Tube, Ensures A Easy Airplane Trip. Comfy & Long Lasting Two Adjustable And "S" Curve Padded Shoulder Straps Offer Light Weight Carrying And Relieve Stress Of Shoulder, Provides A Long Time And Easy Way To Carry On. Made Of Water