25. Ahmad ibn Idris has narrated from Muhammad ibn Ahmad al-Sayyariy from abu Yazid al-Qasmiy, Qasmah is a village in Yeman in Basra, who has said the following: “I once asked abu al-Hassan al-Rida’ , about al-Darish skin from which slippers are made. He (the Imam) said,

‘Do not perform Salah (prayer) with them because it is tanned with the leftover of dogs.’”