Replacement plastic bit for making the ding noise on a bicycle bell. This one was already broken when the bicycle was bought second hand so I snipped off the remaining bits (didn't get a before photo).

Printed in PLA and makes a good loud noise. But, probably better to print in PETG or ABS as it relies on bending the part to strike the bell. PLA being a more brittle material would break more easily when deformed too far.