The Prophet ﷺ said, "If you are invited to a meal of trotters, accept the invitation."
أن النبي ﷺ قال: إذا دعيتم إلى كراع، فأجيبوا.
No references are available.
Muslim narrated it in the Book of Marriage (1429:104) from Harmala bin Yahya, who said, Ibn Wahb informed us, who said, Umar bin Muhammad told me, from Nafi, from Ibn Umar, and he related it.