As promised. The video hit 5,000 likes, so here is the F/L sizing video. I have been asked to make this video for a long time, and thanks to my Patreon supporters, here it is! You can do this by trial and error, or you can do it precisely using measuring tools and verifying that the shoulder bump is not excessive. In this video, I show you how I do it. Support me on Patreon: Visit my website: Get my shirts here: