'Water jug' in the Bible
Let the girl to whom I say, ‘Please lower your water jug so that I may drink,’ and who responds, ‘Drink, and I’ll water your camels also’—let her be the one You have appointed for Your servant Isaac. By this I will know that You have shown kindness to my master.”
Before he had finished praying, there came Rebekah with her water jug on her shoulder. She was the daughter of Bethuel son of Milcah (Milcah was the wife of Abraham's brother Nahor).
"Before I finished praying in my heart, along came Rebekah with her water jug on her shoulder! She went down to the spring and drew water. So I said to her, 'Please give me a drink.'
However, because of the Lord, I will never lift my hand against the Lord’s anointed. Instead, take the spear and the water jug by his head, and let’s go.”
So David took the spear and the water jug by Saul’s head, and they went their way. No one saw them, no one knew, and no one woke up; they all remained asleep because a deep sleep from the Lord came over them.
What you have done is not good. As the Lord lives, all of you deserve to die since you didn’t protect your lord, the Lord’s anointed. Now look around; where are the king’s spear and water jug that were by his head?”
So He sent two of His disciples and told them, “Go into the city, and a man carrying a water jug will meet you. Follow him.
“Listen,” He said to them, “when you’ve entered the city, a man carrying a water jug will meet you. Follow him into the house he enters.