Dr. Airsoft (A.K.A. Mark Vauhan, M.D.) - Gear Week

There's certainly no lack of pundits in the airsoft/paintball world, but among them very few are concerned with safety awareness, and there are exactly zero that dedicate themselves to it. That is, other than Mark Vaughan. Dr. Vaughan runs a Youtube channel that focuses on "Airsoft Medecine", and covers everything from injury prevention to protective gear reviews. While many of the masks are airsoft-specific, there are plenty of accessories that are also used in paintball (including some that shouldn't be, but unfortunately are by some groups).

Here's an example of one of his videos:

For more info on trips and falls check out Mike's post on the subject.

And then one on his methodology used to test masks: