I saw a man yesterday wearing a pyramid shaped hat made of golden wire, does anyone know the significance?

I saw the gentleman in London, England and the hat was a four sided pyrmaid shape and it was made of a thickish, gold coloured wire. I think he was also wearing some kind of medallion. Just realy curious as to why he might have been wearing them, is it part of a religion? Photos of a similar man can be seen here:... show more I saw the gentleman in London, England and the hat was a four sided pyrmaid shape and it was made of a thickish, gold coloured wire. I think he was also wearing some kind of medallion. Just realy curious as to why he might have been wearing them, is it part of a religion? Photos of a similar man can be seen here: http://ni.chol.as/media/pyramidhead.jpg

Thanks if you can help!
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