四分律比丘含注戒本 1.472

1.472

Wool from the head, wool from the ears, or wool from the legs, or other mottled-colored wool. If one wishes to make a forty-pala rug, twenty palas are black, ten palas are white, and ten palas are mottled. Down to making a twenty-pala rug, it can be known by standardizing against the above.