"I saw the Messenger of Allah ﷺ putting his right hand on his right thigh when praying and pointing with his finger."  

رَأَيْتُ رَسُولَ اللَّهِ ﷺ وَاضِعًا يَدَهُ الْيُمْنَى عَلَى فَخِذِهِ الْيُمْنَى فِي الصَّلاَةِ وَيُشِيرُ بِأُصْبُعِهِ