is for the worshiper to do whatever he can and whatever lies within his ability, for Allah does not burden any soul beyond its capacity.
5. The prescription of taking a sutrah applies both when one is resident and when traveling, whether praying in an open space or inside a structure.
6. The legitimacy of the sutrah was already firmly acknowledged by the Companions (may Allah be pleased with them) prior to the Expedition of Tabūk in the ninth year after the Hijrah.