Knock three times (disambiguation)
From Wikipedia, the free encyclopedia
The phrase Knock three times can refer to:
- A 1968 TV serial, Knock Three Times (TV)
- A 1970 song, Knock Three Times
- A 2001 poem by Bob Rosenthal, Knock Three Times (poem)
- Any of various cultural references to secret knocks, tap codes, etc. especially:
- Part of a ritual observed in Freemasonry, when opening a lodge or inducting a new member, in which doorknocks are exchanged. The apparent purpose is to prevent admission to persons of a lower degree of initiation than the business being conducted.
- A ritual observed in cartomancy