A ligature is part of a woodwind instrument you use to keep the reed in place. A ligature is, by definition, is something that binds or holds in place. Handcuffs are an example.
www.Archwired.com has a thread with loads of pics of coloured ligatures.
Mostly clarinets and saxophones use ligatures but there might be a few obsolete instruments that use ligatures.
hippocrates
Two types of rubber bands that are available for braces are single elastic ligatures and connected elastic ligatures. Both ligatures are available in a variety of colours and would need to be changed at every appointment as they lose strength over time.
Linkers/ligatures.
Mathieu pliers
They can be both depending on the material used.
Elastic ligatures are commonly used in orthodontic treatment to hold the archwire in place on brackets. They provide gentle pressure to move teeth into the desired position and allow for easy adjustments during treatment.
It depends on where you get it. Mouth pieces are very expensive with or without the ligature but prices vary. =D
Ambroise Paré (1509–1590 AD) became the greatest surgeon and sur-gical writer of the Renaissance when, after being rejected by medical schools, he was educated by the army on the battlefields. He saved thousands of lives by ending the use of burning oil to cleanse wounds and teaching the use of ligatures in amputations
A Ligature is a device for holding a single reed against the mouthpiece, so ligatures are found on single reed instruments. The two most common single-reed families of instruments are the Clarinets and the Saxophones.
A ligature is two or more letters that are tied together into a single letter. For instance, in some typefaces, certain character combinations like fi and fl overlap, resulting in an unsightly shape. The fi and fl ligatures were designed to improve the appearance of the letters.