The two images below are with and without the OCF Barndoor. It's a perfect example of another Profoto accessory designed to help you raise the bar on your images and bring more creativity and drama to your lighting technique.
The OCF Barndoor is only one of many new accessories, all described in terrific detail with before and after images for each one.
People have talked about the B1 and B2 Off-Camera Flash Systems as "game changers". Truthfully, it's Profoto that's the game changer and well worth a trip to their site to check out all of the new accessories.