of bimetallic strip thereby to increase and decrease the effective diameter or bounded area of the jewelry to maintain comfort and fit of the jewelry as the body member such as a wrist or finger may swell or recede under varying temperature conditions application_number US 27480281 A description this invention is particularly directed to articles of jewelry that surround a body member such as a wrist or finger illustratively in fig1 such an article as a bracelet 10 is shown surrounding the wrist or arm 12 in the form shown the bracelet comprises a substantially rigid composite metallic member which may be flexed slightly in usual manner to fit about the wrist of the wearer while having such luster or adornment to provide requisite enhancement and beauty such relatively rigid bracelets and the like while fitting comfortably at a given time may slip readily both fore and aft along the arm as well as circumferentially thereabout when the skin is rather dry and under cool or cold conditions in which the flesh slightly relatively contracts to an extent greater than a bracelet in like manner in warm weather or under given conditions of exertion the forearm may expand relative to the bracelet and cause a relative binding of the bracelet on the wrist with lack of comfort the composite bracelet 10 of the invention however is formed of bimetallic materials.