Can one use a clan crest badge as a kilt pin?

[Digger1]

I've seen many swords with a clan crest on them, but can one simply use a clan crest badge as a kilt pin? Is it considered correct, or are crest badges reserved for the Glengarry?

So, I guess the answer to that might be, “yes”. There are dozens of pix on line of HRH Prince Charles in Highland attire wearing a clan crest as a kilt pin whilst opening ahis new B&B at Castle May a few weeks back.
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