(27) باب قُرْبِ السَّاعَةِ
Anas reported Allah's Messenger (ﷺ) as saying:
I and the Last Hour have been sent like this and (he while doing it) joined the forefinger with the middle finger.
Reference: Sahih Muslim 2951 e
In-book reference: Book 54, Hadith 171
USC-MSA web (English) reference(deprecated numbering scheme): Book 41, Hadith 7049