Deuteronomy 22:9-12
9“aYou shall not sow your vineyard with two kinds of seed, lest 1all the produce of the seed which you have sown and the increase of the vineyard become defiled.
10“aYou shall not plow with an ox and a donkey together.
11“aYou shall not wear a material mixed of wool and flax together.
12“aYou shall make yourself tassels on the four corners of your garment with which you cover yourself.