The dried heads of Dipsacus fullonum were used to raise the nap on woolen cloth.
乾燥させたテーゼルの頭部は羊毛布の毛羽を立てるために使われた。
a tall biennial plant (Dipsacus fullonum) with spiny, cup-shaped flower heads whose dried heads were used historically to raise the nap on woolen cloth.
