After European contact, treadle looms were introduced, although backstrap looms continue to be popular. There had to be specific bodily discipline, like stillness, balance and kneeling for a long time, in order to use the backstrap looms correctly which would end up defining, "the proper physical comportment for women." Bone picks were used before contact and were unique in that they had different designs for most families and were usually passed on from generation to generation with the elite having the most expensive and beautiful.