Sunan Abi Dawud 867
سنن أبي داود#867SahihMus’ab b sa’d said:I prayed by the side of my father. I put both of my hands between my knees(in bowing condition). He prohibited me from it. I then repeated; so he said: Do not do so, because we used to do so. But we were prohibited to do that, and commanded to put our hands on the knees
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih Bukhari (790) Sahih Muslim (535)
In-book reference: 2:477