Turkish crescent
![Cevgen player in an Ottoman military band](/Images/godic/202502/01/Mehter_cevgen3824.jpg")
![Chapeau chinois of the French Foreign Legion. One can see it as an honored object in most videos of Legion music, such as this one.](/Images/godic/202502/01/Foreign_Legion_Chinese_hat_Bastille_Day_20083824.jpg")
![Schellenbaum of the German Bundeswehr](/Images/godic/202502/01/Schellenbaum_Bundeswehr3825.JPG")
![Turkish crescent in a German museum.](/Images/godic/202502/01/Osmanischer_Schellenbaum3825.jpg")
A Turkish crescent, (also cevgen, Turkish jingle, Jingling Johnny, Schellenbaum (Ger.), chapeau chinois or pavillon chinois (Fr.), chaghana) is a percussion instrument traditionally used by military bands. In some contexts it also serves as a battle trophy or object of veneration.