مسائل المنتخبه (Articles Of Islamic Acts) - الخوئي، السيد أبوالقاسم - الصفحة ٢٣٤ - SAJDATAYN(TWO PROSTRATIONS)

made of cotton or something resembling it.
١٠٩٢. Turbatul Husayn (clay of Karbala) is the best thing for performing prostration. After it there are earth, stone and grass in order of priority.
١٠٩٣. If a person does not possess anything on which it is lawful to perform prostration or, even if he does posses such a thing but cannot perform prostration onit on account of severe heat or coldness, he should perform prostration on his dress and if even this is not possible he should perform prostration on the back of his hand oron any other thing on which it is not permissible to perform prostration optionally. However, the recommended precaution is that so long as it is possible to performprostration on the back of ones hand it should not be performed on any other such thing.
١٠٩٤.The prostration performed on mud and on soft clay on which ones forehead cannot remain calm is void.
١٠٩٥. If the mohr sticks to the forehead in the first prostration it should be removed from the forehead for the second prostration.
١٠٩٦. If the thing on which a person performs prostration, is lost while he is offering prayers, and he does not possess any other thing on which prostration may bein order, and he has sufficient time at his disposal he should break the prayers. In case however, time is short he should act in the manner narrated in article ١٠٩٣.
١٠٩٧. If a person realizes in the state of prostration that he has placed his forehead on a thing, on which prostration is void. he should raise his head from thatthing, and perform prostration on a thing, on which prostration is in order. And if this is not possible, and time for offering prayers is ample, he should break the prayers.And if the time is short he should act in the manner narrated in article ١٠٩٣.
١٠٩٨. If a person realizes after prostration that he has placed