a special type of necklace, presented to girls when they were entering the calmecac (see attestations)
Niman qujmachiotia in ie achi qualton, mjtoa qujquapaxotla, ijelpan qujtetequj: auh in oc conetontli qujcozcatia hijaqualli = When she was already somewhat grown, they placed a marking on her, it was said; they scarified her hip, they incised her chest; and when she was yet a small child, they provided her with the yaqualli necklace (central Mexico, sixteenth century)