Baby Pins, Umbrella Adapters, and Grip Heads.

This video I did a couple of years on needing a baby pin to make a C-Stand work correctly generated a lot of discussion and questions, so I am trying to answer most of your questions in this video.
Links to Avenger E250 long baby pin:
B&H: www.bhphotovid...
Adorama: www.adorama.co...
Other sites: Just search "Avenger E250" for query results.