This is a great exercise for shoulder width. With this variation, every rep begins from a dead start. This forces the muscles to go from zero contraction to full contraction instantly. It also eliminates cheating. Just briefly rest the dumbbells on the bench before starting each rep.
Unless you have ridiculously short arms, you'll need a booster seat for this one. A few plates will do the trick.
As with all lateral raise variations, don't focus on lifting the dumbbell up, but rather "pushing it away" from you.
We all know what kind of training Chad puts his clients through, but what about Chad himself? Amazingly, his own training is mixture of Crossfit and H.I.T. Kidding! You'll be glad to hear that he practices what he preaches.
Hating on CrossFit is trendier than those hipster Ray-Bans your aunt bought you. There are some aspects of CrossFit that deserve your attention, however.