What are the necessary conditions for the material used for Istijmar (cleansing with dry material)?
Chapter on Cleaning oneself (Istitabah) and Impurity (Hadath)
Al-Mughni
Book of Purification
Primary text
The material used for Istijmar must meet six conditions: it must be pure, solid, cleansing, not edible, possess no sanctity, and not be attached to an animal. This position is held by Al-Shafi'i, Ishaq, and Abu Thawr.