Can someone explain this type of lighting

Is it beauty dish, octabank, softbox? How do you get the circular shape? Is that a grid?

https://www.facebook.c​om …231903993/?type​=1&theater

Someone help me out I love the end product!

Just a grid behind the subject.

Looks more like some simple dodging in LR or PS to darken the edges.

Well, the lighting side is easy enough, you just need a controlled beam, so a snoot, honeycomb / grid whatever will do the job, you just need to then control the shape. That can be done by the angle of the beam or simply attaching something to block the light in certain directions.

However, in this case, I would also say that it looks like a simple bit of burning in during editing. The background was probably fairly evenly lit.