Slinging Slingmoore Style: Episode 1 Tightening the Stays

Everyone slings in their own way.  But here's a brief tutorial on how I do it.  I start by doing a fast load which I'll explain elsewhere.  Then I pull the stays tight and untwisted holding the projectile in the pocket with a my left thumb.  My right hand is gripping the handle and trigger with the trigger thumb pointed down.