Clouder's Sometimes-But-Not-All-The-Time Daily Pixels

[Silversea]

You need to decide if you want to shade all of it or not. If so you need to make sure it is consistently shaded and highlighted all over.

Same with outlines. It looks fine without an outline, so you need to find a way to remove the outline on the arms while keeping them distinct, but you can use shading to help with that.