1952 - Roller Derby - the Chiefs vs the Red Devils

Why this is free to watch

1952 - Roller Derby - the Chiefs vs the Red Devils (1952) is hosted by the Internet Archive as a public-domain or openly licensed work, which means its copyright has expired, lapsed, or was released by the rights holder. The uploader declared an explicit licence, linked in the source panel. Nitrate streams the file directly from the Internet Archive and hosts no video itself.