Hesabu 31 : 20 Numbers chapter 31 verse 20

Na katika habari ya kila nguo, na kila kitu kilichofanywa cha ngozi, na kazi yote ya singa za mbuzi, na vyombo vyote vilivyofanywa vya mti, mtajitakasa wenyewe;
soma Mlango wa 31

As to every garment, and all that is made of skin, and all work of goats' [hair], and all things made of wood, you shall purify yourselves.