The Rapid Transit Division Tail Frame or Sissybar Bag shown with all mounting straps that are included - This is what I meant by intimidating

Barrel bag is removable

Barrel bag can also be mounted by itself

This is a close up of the buckle attachment that is used to mount the barrel bag to the main bag

Connector straps are used on all Four sides when attaching the barrel bag to the main bag

Barrel bag fully attached to the main bag

This is the integrated sissy bar mounting flap open

View of a long mounting strap that is used with a tail frame bar