Tartans not of your lineage

[Tobinn]

I'm not clear on what you ask. If USAK says that Mackenzie Modern is a "universal" tartan then they are incorrect. If, however, they neglected to say that tartan was "universal", then they are correct -- it is not. You can pretty well go with what USAK says because they do good research before they stock and tell all.

"Of a sorts" it would be a 'traditional' faux pas to wear a recognised Mackenzie as though it were your son's own. Not a catastrophe -- no sky will fall on him and (probably) no bullets will fly. But that sort of commitment might be worth a second thought on your part

USAK does, indeed, not say that MacKenzie Modern is a universal tartan. I guess I'm asking if wearing a MacKenzie tartan, for example, is appropriate when one is not a MacKenzie? If inappropriate, then where on the faux pas scale does it fall?

I was making a bit of a joke in referencing my son's friend whose first name happens to be