This is something that always jumps out to my eye, the strange pleating decisions I come across from time to time.

A while ago I posted this one



and more recently this one, which some posters defended as "creative" though to me the one random blue line (which doesn't appear anywhere else) looks like an obvious error



Well now there's this one.

I'll post a photo of the front too, so you can see how little relation there is between the tartan and the pleating