Hazrat Talhah bin Musa (may Allah have mercy on him) narrates from his esteemed father, he says that we used to pray in such a state that cattle would pass in front of us, so we asked the Prophet Muhammad (peace and blessings be upon him) about this issue, and he (peace be upon him) said: "(When) any one of you has a sutrah in front of him equal to the back part of a camel's saddle, then whatever passes in front of it will not harm him."