A Polycoric Bond is not dissimilar to the human tradition of “blood brothers”, with a group of three companions casting a glamour (or more serious groups delving into apothetical means to meld the flesh) to leave the appearance of two pupils in each eye. Some verbal traditions link back to this symbolising having a pair of eyes for oneself, and one each for their companions, but the origin of this is unknown. The ritual dates back to the old Cobalt Sisterhood, but with the group seemingly extinct clarification seems unlikely.