"A fibula (/ˈfɪbjʊlə/, plural fibulae /ˈfɪbjʊli/) is a brooch or pin for fastening garments, typically at the right shoulder. The fibula developed in a variety of ...
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shapes, but all were based on the safety-pin principle. Unlike most modern brooches, fibulae were not only decorative; they originally served a practical function: to fasten clothing, such as cloaks.
There are hundreds of different types of fibulae. They are usually divided into families that are based upon historical periods, geography, and/or cultures. Fibulae are also divided into classes that are based upon their general forms. Fibulae replaced straight pins that were used to fasten clothing in the Neolithic period and the Bronze Age. In turn, fibulae were replaced as clothing fasteners by buttons in the Middle Ages. Their descendant, the modern safety pin, remains in use today." - (en.wikipedia.org 26.09.2019)