Why did Iron Age people have woad tattoos?

or:Why did Iron Age people have woad tattoos?or:There is no agreement that they used woad. www.google.com/search?q=woad+tattooThey did not record th

or:Why did Iron Age people have woad tattoos?

or:There is no agreement that they used woad. www.google.com/search?q=woad+tattooThey did not record their reasons, so the answer is anybody's guess.

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