DRINKING FROM A WATER-SKIN H 770 "The Prophet, praise and peace be upon him, forbade drinking directly from a water-skin." R 770 Bukhari and Muslim with a chain up to Abu Hurairah who related this hadith.
762- وعن أَبي هريرة رضي الله عنه ، قَالَ : نَهَى رسول الله صلى الله عليه وآله وسلم أن يُشْرَبَ مِنْ فِيِّ السِّقَاءِ أَوْ القِرْبَةِ . متفق عَلَيْهِ .