Proverbs 22:26 Midrash

אַל־תְּהִ֥י בְתֹֽקְעֵי־כָ֑ף בַּ֝עֹרְבִ֗ים מַשָּׁאֽוֹת׃

Be thou not of them that strike hands, Or of them that are sureties for debts;