What specific grooming error should owners warn professional groomers about regarding the Papillon's coat?

Answer

Trimming or cutting the signature ear fringe.

Owners should caution professional groomers because many unfamiliar with the breed may inadvertently trim or cut the signature ear fringe, which should generally remain long and feathered.

What specific grooming error should owners warn professional groomers about regarding the Papillon's coat?
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