Quote Originally Posted by Sean Setters View Post
It's called a Baby Drop Down Pin. And yes, it makes mounting things on a boom much easier because you're not always fighting gravity with heavy modifiers. You can find a Matthews and an Avenger version at B&H (I bought the Matthews one).
Finally pulled the trigger on an Avenger E700 Drop Down Pin. I mounted a strobe with beauty dish attached and love the way it dangles regardless of the angle of my boom arm. I'll break it in this weekend but I think that it will become a fixture on my boom.