the Messenger of Allah slaughtered some of his sacrificial animals with his won hand, and someone else slaughtered some of them. (Sahih ) (Using translation from Nasāʾī 4419)
أَنَّ رَسُولَ اللهِ ﷺ نَحَرَ بَعْضَ هَدْيِهِ بِيَدِهِ وَنَحَرَ بَعْضَهُ غَيْرُهُ