834. It is permissible to pray with an oyster shell or articles made from it, such as buttons.
835. There is no harm in wearing pure fur during prayer, but based on obligatory precaution, one should not pray wearing the skin of a squirrel.
836. If a person prays wearing clothing made from an animal whose meat is forbidden, be it forgetfully or due to ignorance (of it being made from such an animal), it is not necessary for him to repeat his prayer. The recommended precaution however, is that he repeats it. Similarly, it is not necessary to repeat it if he is an excusable ignorant with respect to the ruling.
837. It is forbidden for a man to wear gold embroidered clothing, and doing so during prayer invalidates it. There is no problem however for women to wear them in or outside of prayer.
838. Wearing items made of gold, such as a golden necklace, a golden wrist watch, golden glasses, a gold ring or items similar to these is forbidden for men, and if a man prays while wearing them, his prayer is invalid. However, there is no problem in women utilizing such items in or outside of prayer.
839. If a man wears an item made of gold—for example a gold ring—forgetfully, or he does not know it is made of gold, or doubts whether it is made of gold or not, and prays with it, his prayer is valid.
840. The clothing of a man who is praying should not be made from pure silk. Based on obligatory precaution, the same applies to articles such as a kufi or a waistband. In fact, it is forbidden for men to wear clothes made from pure silk outside of prayer as well.
841. If a part or all of the lining of a man’s clothing is made from pure silk, it is forbidden for him to wear it, and doing so during prayer will invalidate it.
842. If a person does not know whether an article of clothing is made from pure silk or not, wearing it is permissible and there is no problem in doing so during prayer.
843. There is no problem in having a pure silk handkerchief or similar article in one’s pocket and prayer is not invalidated with it.
844. There is no problem in a woman utilizing clothing made from pure silk in and outside of prayer.
845. There is no problem in wearing clothing that is gold embroidered, made from pure silk, or usurped, if one is compelled to do so. Additionally, if one is compelled to wear clothes, and possesses no clothes until the end of the prayer time, other than the aforementioned articles, he can pray in such clothes.
846. If a person possesses no clothing other than that which is usurped or made from the parts of a carcass, until the end of the time for prayer, but is not compelled to wear clothes, he must observe the rulings of those who pray unclothed as elaborated in article 803.
847. If a person possesses no clothing other than that which is made from the parts of an animal whose meat is forbidden, until the end of prayer time, and he is compelled to wear it, he may offer his prayer with it. However, if he is not compelled, he must observe the rulings of those who pray unclothed.
848. If a man possesses no clothing other than that which is made of pure silk or that which is gold embroidered, until the end of the prayer time, given that he is not compelled to wear it, he must observe the rulings of those who pray unclothed.
849. If one does not possess any articles of clothing to cover his private parts, it is obligatory for him to acquire it, although by purchasing or renting it. However, if one has insufficient funds to acquire it, or if spending money on it would cause him harm, acquiring it is not necessary. In this case he may either pray according to the rules of the unclothed, or bear the harm and acquire the clothing for prayer.
850. If a person grants an article to one who does not possess any clothing, or offers to lend it to him, he must accept it if it does not cause him any hardship. In fact, if requesting a person to grant him or lend him an article of clothing is not of harm to him, he must request either of the two.
851. It is forbidden to wear clothing, the material, colour or stitch of which, is aberrant in such a manner that it becomes a cause of one’s humiliation, or it cause’s one to stand out and become obtrusive. If a person utilizes such clothing in his prayer to cover his private parts, it is not implausible that its ruling be the ruling of usurped clothing as elaborated in article 821.
852. If a man wears women’s clothing or a woman wears men’s clothing, in the case that they make it a part of their regular apparel, as a precaution, it will be forbidden to do so, and the use of such clothing during prayer to cover the private parts, based on precaution, will cause its invalidation.
853. It is not permissible for a person who has to pray while lying, to utilize a blanket or a quilt made from the parts of an animal whose meat is forbidden. Similarly, one should not pray on a mattress that is made from the parts of an animal whose meat is forbidden, if he wraps it around himself. If it is made of pure silk or it is gold embroidered, and the one praying is a man, or if it is najis, based on obligatory precaution one should not pray in it.
