He originated the fad of wearing a full-length fur coat on the sidelines, since banned by the NFL, which requires all players, coaches, athletic trainers, et al, to wear league-approved team apparel.
He originated the fad of wearing a full-length fur coat on the sidelines, a habit which was adopted by many players after him. The NFL has since banned this, requiring all team personnel (players, coaches, athletic trainers, etc.) to wear league-approved team apparel.