A device to prevent theft of the wallet or other objects that may be carried in your pocket (Machine-translation by Google Translate, not legally binding)

摘要

A device to prevent the theft of the wallet or other objects that may be carried in the pocket, characterized by being composed of a disc or button, in gold metal, provided with a mechanism by virtue of which, in its central internal part, under a hole practiced, has a spring in relation to a spring that drives it. (Machine-translation by Google Translate, not legally binding)