I have been doing some charity knitting lately, mostly ear flap hats. When I make them on the standard gauge machine, I don't wrap the edges of the ear flap because it goes more quickly and the holes are small. They look ok. But when I tried this on the midgauge machine, I got a totally different look. It's not objectionable, could be called a design feature, but wrapping the edges gives a smooth look. Compare these below:
I used my free pattern---- check out the right side of the blog and scroll down. Thought I'd give another option in case you are using that pattern.