These earrings are fixed very securely and there is almost no risk of loss.
Due to the screw system the act of putting them on is more difficult.
Another small drawback is that the closure can easily capture impurities, e.g. soap or cream, so the earrings need to be cleaned periodically.
Age recommendation: from 6 months
In this case,the shank (rod) of the earring is provided with a thread on which a baloon-shaped closure is screwed. This type of closure is very popular in the Czech Republic.