Wooden Mechanical Music Box Jewelry Box with Mirror - Plays Blue Danube Waltz | Handcrafted Gift for Women, Birthday Present | Perfect for Jewelry Storage & Bedroom Decor

The picture is the mainspring product! Clockwork bottom of the handle in the product oh! New Music Box Movement sharp jerky not running, so rotation is not smooth and easy card, running like a few months (the longer the rotation movement run more smoothly, the better the sound quality to listen). New Music Box in use not more than twice each winding, and so after a few months using a winding mechanical movement smooth running time to be gradually lengthened, up to not more than three times. Do not cut the spring on tight, this will wear movement even Bengduan movement!