וְלָקַחְתָּ֣ אֶת־הַמַּרְצֵ֗עַ וְנָתַתָּ֤ה בְאָזְנוֹ֙ וּבַדֶּ֔לֶת וְהָיָ֥ה לְךָ֖ עֶ֣בֶד עוֹלָ֑ם וְאַ֥ף לַאֲמָתְךָ֖ תַּעֲשֶׂה־כֵּֽן׃
then thou shalt take an awl, and thrust it through his ear and into the door, and he shall be thy bondman for ever. And also unto thy bondwoman thou shalt do likewise.
Related passages and parallel verses for Deuteronomy 15:17.