“We used to perform prayer with the Prophet ﷺ when it was very hot. When one of us could not place his forehead firmly on the ground, he would spread his garment and prostrate on it.”
كُنَّا نُصَلِّي مَعَ النَّبِيِّ ﷺ فِي شِدَّةِ الْحَرِّ فَإِذَا لَمْ يَقْدِرْ أَحَدُنَا أَنْ يُمَكِّنَ جَبْهَتَهُ بَسَطَ ثَوْبَهُ فَسَجَدَ عَلَيْهِ