Leviticus 13:48

Whether it be in the warp, or woof; of linen, or of woollen; whether in a skin, or in any thing made of skin;

Cross-reference

Leviticus 13:51 continues the inspection procedure for the plague in warp or woof — direct sequential link.

Revelation 3:4 uses 'defiled garments' as a metaphor for spiritual purity — echoes the Levitical clean/unclean distinction.