Loop Lighting Loop lighting is made by creating a small shadow of the subjects noses on their cheeks. To create loop lighting, the light source must be slightly higher than eye level and about degrees from the camera
On the left is how your gelled lit background looks before you introduce another light to the set. In the middle we have a softbox as our key light and on the right we have a gridded dish as our key light. It's very clear to see that the key light modifier plays a big role in how our gelled background is affected.