He restored the chief cupbearer to his former position so that he placed the cup in Pharaoh’s hand,

When the man saw that he could not defeat Jacob, he struck the socket of his hip so the socket of Jacob’s hip was dislocated while he wrestled with him.

Now Pharaoh’s cup was in my hand, so I took the grapes, squeezed them into his cup, and put the cup in Pharaoh’s hand.”

That is why to this day the Israelites do not eat the sinew which is attached to the socket of the hip, because he struck the socket of Jacob’s hip near the attached sinew.