I and the Last Hour have been sent like this and (he while doing it) joined the forefinger with the middle finger. (Using translation from Muslim 2951e)
قَالَ رَسُولُ اللهِ ﷺ «بُعِثْتُ أَنَا وَالسَّاعَةُ كَهَاتَيْنِ وَأَشَارَ بِإِصْبَعَيْهِ السَّبَّابَةِ وَالْوُسْطَى»