A Successor's words
Yahya related to me from Malik from Hisham ibn Urwa that his father would never do two sets of seven tawafs together without praying between them. After every seven tawafs he would pray two rakas, sometimes at the maqam of Ibrahim, and sometimes elsewhere. Malik was asked whether a man doing voluntary tawaf could, to make it easier on himself, join two or more sets of seven circuits and then pray whatever he owed for those sets of seven, and he said, "He should not do that. The sunna is that he does two rakasafter every seven circuits." Malik said, about someone who began doing tawaf and then forgot how many he had done and did eightor nine circuits, "He should stop when he knows that he…