Qué significa peaky blinders en Inglés (UK)?

Definición de peaky blinders It's the name of a street gang from Birmingham in the 19th century. The name more than likely comes from the fact that they would stitch razor blades into their peaky hats. I was also told that apparently they would slash at a persons eyes hence "peaky blinders". I don't know how accurate this is, between there being a TV show that might have made up facts and how long has passed since that name was made but this seems to be one possibility.

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