- Country: Japan
- Genres: N/A
- Release: 1974-05-04
- Director: Tatsumi Kumashiro
- Writers: Tatsumi Kumashiro , Junichirō Tanizaki
- Language: Japanese
- Stars: Yuki Aresa , Hideo Kanze , Tokuko Watanabe , Kenzō Kawarasaki , Yoshi Katō , Shigeko Ando , Moeko Ezawa , Taiji Tonoyama , Chigusa Takayama
- Runtime: 90 min
- Awards: N/A
- AKA: Anahtar (Turkey) , Kagi , 鍵(1974) (Japan) , The Key , The Key (United States of America) , The Key (United Kingdom)
- Plot: An elderly college professor wants to bring the joys of sex to his wife. He bribes his son in law to shag her because it makes him jealous and he can perform better. He keeps a journal of his fantasies in a locked cupboard, hence ...
- IMDB:tt0071710
Kagi Cast · · · ALL
Tatsumi Kumashiro
Director
Shigeko Ando
Moeko Ezawa
Hideo Kanze
Yoshi Katō
Kenzō Kawarasaki
Chigusa Takayama
Taiji Tonoyama
Tokuko Watanabe