32 Therefore, to this day, the sons of Yisra El eat not of the sinew which shriveled, which is on the hollow of the flank: because he touched the hollow of the flank of Yaaqov in the sinew that shriveled.
Genesis 32:32 Cross References - ECB
1 Samuel 5:5
5 So neither the priests of Dagon nor any who come into the house of Dagon tread on the threshold of Dagon in Ashdod to this day.