´It was narrated that Al Hajjaj bin Abi Zainab said:` X"I heard Abu Uthman narrate that Ibn Mas'ud said: 'The Prophet (ﷺ) saw me when I had placed my left hand on my right in prayer. He took hold of my right hand and placed it on my left.'"
Explanation & Benefits
Hafiz Muhammad Ameen
889. Commentary:
➊ In Islamic law, preference and virtue are given to the right hand. The people of Paradise are called "the people of the right" (Ahl al-Yamin). The right hand is designated for good deeds, and likewise, during prayer, it is commanded to place the right hand over the left hand while standing (qiyam).
➋ Mistakes can be corrected during the prayer.
➌ Whether it is the correction of one’s own prayer or that of another.
Source: Sunan Nasa'i: Translation and Benefits by Shaykh Hafiz Muhammad Amin Hafizullah, Page: 889