Mark 7:4-5

4and when they come from the market place, they do not eat unless they 1cleanse themselves; and there are many other things which they have received in order to observe, such as the 2washing of 3cups and pitchers and copper pots.)

5The Pharisees and the scribes asked Him, “Why do Your disciples not walk according to the 4tradition of the elders, but eat their bread with 5impure hands?”