Deuteronomy 19:7

19:7 Therefore, I am commanding you to set apart for yourselves three cities.

Deuteronomy 22:12

22:12 You shall make yourselves tassels for the four corners of the clothing you wear.

Deuteronomy 23:9

Purity in Personal Hygiene

23:9 When you go out as an army against your enemies, guard yourselves against anything impure.