To solve a problem that replacement of a metal connection pin is indispensable before and after the heating process because the elasticity of the connection pin, etc. is lost if the heating process is executed with metal connection members connected by the metal connected pin.

The belt-like personal adornment is structured so that the metal connection pin with round ends, having a groove formed in a circumferential shape at least at one position is inserted from a connection hole located on the front-most side of the metal connection members in which a metal ring is previously disposed at least at one position of the connection hole when two metal connection members are disposed adjacently and the connection holes of their connection parts connecting them are coaxially disposed. The metal connection pin is forced into the metal ring so that the metal connection pin is prevented from falling off the metal connection members. After the metal connection members are rotatably connected, the metal connection members are cured and surface-treated.