a locking system for a piece of jewelry , including mutually complementary interacting locking parts shaped as coupling parts of a male and female type , where each locking part additionally includes polarized magnets , where each locking part opposite the coupling parts additionally includes end parts with connecting means for connecting the end parts with one or more pieces of jewelry , e . g . in the form of necklaces , bracelets , ankle bands , headbands , belts or the like .