It was the practice of the Prophet (peace and blessings be upon him):
"He (peace and blessings be upon him) had a large bowl called 'al-Gharra', which four men would carry."
Hadith Referenceصحیح الجامع الصغیر / حرف الكاف / 4833
Hadith Gradingالألبانی:صحيح
Hadith Takhrij[د] عن عبد الله بن بسر. الصحيحة ٢١٠٥: أبو الشيخ، ابن عساكر.