Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
quran:75:29 –

And the leg is wound about the leg,  

and the shank is intertwined with the ˹other˺ shank, that is, one of his shanks ˹will be intertwined˺ with his other shank at the moment of death; or ˹it means˺ the distress of parting with this world is intertwined with the distress of the arrival of the Hereafter;
القرآن:٧٥:٢٩ –

وَالْتَفَّتِ السَّاقُ بِالسَّاقِ  

{والتفَّت الساق بالساق} أي إحدى ساقيه بالأخرى عند الموت، أو التفت شدة فراق الدنيا بشدة إقبال الآخرة.