 ata bin abi rabah was asked about it and he disliked the doctors discussion and said they make knots in it. as for something you make for yourself there is nothing wrong with it.
وسئل عنها عطا بن أبي رباح فكره نشر الأطباء وقال إنهم يعقدون فيها العقد. وأما شيء تصنعه لنفسك فلا بأس به.