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Isma’ll b. Umayyah said: I asked about a man who intertwines his fingers while he is engaged in prayer. He said that Ibn ‘Umar had said: This is the prayer of those who earn the anger of Allah.
Source: sunnah.com
Other translations
Arabic
حَدَّثَنَا بِشْرُ بْنُ هِلاَلٍ، حَدَّثَنَا عَبْدُ الْوَارِثِ، عَنْ إِسْمَاعِيلَ بْنِ أُمَيَّةَ، سَأَلْتُ نَافِعًا عَنِ الرَّجُلِ، يُصَلِّي وَهُوَ مُشَبِّكٌ يَدَيْهِ قَالَ قَالَ ابْنُ عُمَرَ تِلْكَ صَلاَةُ الْمَغْضُوبِ عَلَيْهِمْ .
sunnah.com