Fasting (Kitab Al-Siyam)
Dawud :: Book 13 : Hadith 2362
Narrated Shaddad ibn Aws:
The tradition mentioned above (No. 2361) has also been transmitted by Shaddad ibn Aws through a different chain of narrators.
This version adds: While Shaddad ibn Aws was walking along with the Prophet (peace_be_upon_him)....The narrator then transmitted the rest of the tradition to the same effect.