“I saw the Prophet ﷺ putting his right hand on his right thigh during prayer, and pointing with his finger.” (Using translation from Ibn Mājah 911)  

رَأَيْتُ رَسُولَ اللهِ ﷺ «وَاضِعًا يَدَهُ الْيُمْنَى عَلَى فَخِذِهِ الْيُمْنَى فِي الصَّلَاةِ يُشِيرُ بِإِصْبُعِهِ»