Aug 18 (CNN) - Big hair, leather jackets and a touch of danger -- these were photographer Denny Renshaw's first impressions of Japan's "Roller-Zoku" gangs.
Inspired by the likes of Carl Perkins and Elvis Presley, Roller-Zoku is a fashion tribe that gained traction in the 1980s when a rock 'n' roll and rockabilly revival swept Japan. The groups are still active today, with regular gatherings and musical performances taking place all over Tokyo.