Demo This demo of the Biker’s Friend Barrel Bag shows how the bag can be adjusted for the perfect fit. Use of the lumbar roll and pads is shown in detail. http://stgec-ausw.uplynk.com/80C078/ausw/slices/129/0f6d5993fc33461493a8402e4ac15584/129ccbdd6c5049ea88b32460df1ad286/129ccbdd6c5049ea88b32460df1ad286_g.mp4