Avenger D700B Extension Holder for Oval Reflector

Excellent question, because the attachment is somewhat flimsy. The two outer pieces( that protrude away from the ends of the main shaft) push against the reflector. You create a slight compression on the reflector by sliding the holders inward, then tightening the two knobs in the center of the shaft to maintain the compression. There is a little spring clip in the two holders that helps hold the reflector, but just barely. I've been able to make this work in a studio, but if anyone bumps it, or creates a breeze, the reflector will fall off. You cannot rotate the reflector without it falling off. This means one of the ends of the holder needs to be attached to the highest elevation part of the reflector and the other holder needs to be attached at the lowest elevation part of the reflector. There is a real opportunity for someone to design a better reflector holder - specifically the two pieces on the ends of the shaft. I own (and use) this one and a different brand with a different mechanism and they're both flimsy. This holder absolutely will not work outdoors.