In case someone missed Croft remark....
the distressing is done PRIOR to assembly. No thread is compromised.
Croft, if you can post a picture of your jacket, showing the back of the left sleeve, we will see a particular distressing mark.
I mean a picture like this:
Just to show how far we go for accuracy in S&J
Look the heavy distressing in the back of the sleeve, between elbow and cuff.
It was done on purpose, to replicate the distressing present on the actual jacket.-