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Whenever the Prophet—peace and blessings be upon him—ate a meal, he would lick his three fingers.
(كَانَ النبي ﷺ َ إِذَا أَكَلَ طَعَامًا لَعِقَ أصابعه الثلاث)
Whenever the Prophet—peace and blessings be upon him—ate a meal, he would lick his three fingers.