 The known history of the frentera dates back to Ancient Greece, possibly earlier, and the frentera is in use today in Europe, Asia, Australia, and South America.When it includes a disk or sheet of metal, often silver, it is known in English as a testera (Spanish loanword), chamfron (French loanword), or faceplate.Equipment with a similar purpose of stabilizing a bit or noseband include the forelock hanger (North America), bit lifter (Australia), and cheekers (Australia).