EXO 21:6

6 then his master must take him to [the place where they worship] God (OR, to [the owner’s] house). There he must make the slave stand against the door or the doorpost. Then the master will use an ◄awl/pointed metal rod► to make a hole in the slave’s ear. Then [he will fasten a tag to the slave’s ear to indicate that] ◄he will own that slave for the rest of his life/he will own the slave as long as the slave lives►.