ENOfficial
It was narrated that Anas bin Malik said: “I saw the Messenger of Allah (ﷺ) slaughter his sacrifice with his own hand, placing his foot on its side.”
Source: sunnah.com
Other translations
Arabic
حَدَّثَنَا مُحَمَّدُ بْنُ بَشَّارٍ، حَدَّثَنَا مُحَمَّدُ بْنُ جَعْفَرٍ، حَدَّثَنَا شُعْبَةُ، سَمِعْتُ قَتَادَةَ، يُحَدِّثُ عَنْ أَنَسِ بْنِ مَالِكٍ، قَالَ لَقَدْ رَأَيْتُ رَسُولَ اللَّهِ ـ صلى الله عليه وسلم ـ يَذْبَحُ أُضْحِيَّتَهُ بِيَدِهِ وَاضِعًا قَدَمَهُ عَلَى صِفَاحِهَا .
sunnah.com