Here we offer a vertical stopper mechansim for use with an 18 note Sankyo musical movement. This stopper is designed to play the musical movement when the box or jug is lifted up. It is suitable for fitting into the base of an item such as a Toby Jug. Suitable for use with an 18 note Sankyo musical movement. Ideal for replacing a broken or missing component whilst undertaking a repair or whilst constructing a new musical box.