DIY Versabounce
Read MoreStrobists, you can attach the black side on side, and have a barn door. On rim lights, this controls flare. (light going into the lens and washing out the picture) On key lights and fill lights, this can limit the light to the background. You can use it with or without most umbrella setups. DON'T USE THESE WITH AC POWERED STUDIO LIGHTS. They will melt or catch fire.