"The Messenger of Allah said: "The month is like this and like this and like this,"' meaning twenty-nine. Yahya bin Saeed and others narrated it from Ismail, from Muhammad bin Sad, from the Prophet.
Sunan an-Nasa'i Book 22, Hadith 47
← Previous Hadith the Prophet struck one hand with the other and said: "The month is like this and like this and like this," retaining one finger the third time.

Sunan an-Nasa'i Book 22, Hadith 46 Next Hadith → "The Messenger of Allah said: 'The month is like this and like this and like this." (One of the narrators) Muhammad bin 'Ubaid clapped his hands three time to demonstrate it, then he withheld his left thumb the third time. Yahya bin Saeed said to Ismail (One of the narrators): "Form his father?' He said: "No."

Sunan an-Nasa'i Book 22, Hadith 48