مناسك حج - مكارم شيرازى، ناصر - الصفحة ٢٣١ - Umrah al -Mufradah
mosque( because prostrating on all of these stones is permitted )if it is possible and if it is not they can prostrate on the carpet; but it is not necessary to perform the prayer with their hands on the chest or saying amen after Hamd Sura.
Also, it is possible to follow them about the issue of crescent of the month of Dhul- Hijjah, and in the matter of the time of Iftar( breaking the fasting )for those who are in Masjid al- Haraam or other mosques of them and they insist these people to perform Iftar, it is has not problem and their fasting is correct.
٢٢- Using hand- held fans sennit mats or ordinary mats for prostration is permitted in any condition and it is not necessary to use Mohr( prayer seal )that oppositions have been sensitized about that because of false propagandas, but using Mohr has problem in some cases.
٢٣- It is permitted to go to the cave of Hira and places like that out of Mecca after completing Umrah and before performing Hajj, but Hajjis should no go to farther places unless there is a necessity in that act.