I had read the term "winklepicker" a few times in the past, with no photo or description, and just assumed it was the snappy British equivalent of the American

I had read the term "winklepicker" a few times in the past, with no photo or description, and just assumed it was the snappy British equivalent of the American "clamdigger" -- a sort of short pants you'd wear collecting mollusks. A classic example of "what you know that just ain't so."