Things That Invalidate Salah (Prayer) Like Laughing, Invalidating Wudu’, Making a Gesture, Forgetting and So on

12. Muhammad ibn Yahya has narrated from Muhammad ibn al-Husayn from Safwan from al-‘Ala’ from Muhammad ibn Muslim who has said the following: “I once asked abu Ja‘far عليه السلام, if a man in Salah (prayer) can turn around. He (the Imam) said, ‘No, and he must not crack his fingers also.’”