Knitting Help - Setting in Sleeves

Setting or "easing" sleeves is probably the most challenging part of finishing a pieced sweater. Here are some tips to make that easier.
Info to things you'll see in this video:
The finished sweater I'm seaming is my (yet undyed) Ombre Dyed Sweater, pattern + video tutorials:
verypink.com/20...
The clippie markers I use can be found here:
www.amazon.com/...
The poncho on the mannequin is the Easy Folded Poncho, knit in Knit Picks City Tweed DK:
www.ravelry.com...
My "Embrace the Swatch" water bottle can be found here:
www.zazzle.com/...