Near the end of the video you see two large white foam core boards used as bounce. I need holders like that. Does anyone know what they are called or a place to purchase some? I tried 'foam core board holders" to no avail
Thx for the video! Love her work
Debbi

Debbi,

Those holders look to be made of foam core themselves or some other stiff material. Anne's assistants probably just pieced them together specifically for the shoot.
Cut two rectangles and join the edges to make an L-shape then add a triangular wedge to support the L-shape and give it structure.