Fold-out clasp

A folding clasp for a bracelet, said folding clasp comprising a shank comprising two parallel side members, each of said parallel side members having a first end and a second end wherein the first end of one parallel side member is connected to a first end of another parallel side member and wherein the second end of one parallel side member is connected to the second end of another parallel side member, and at least one transverse element interconnecting each of said parallel side members;

• a first arm having one end articulated at said first end of each of said parallel side members;
• and another arm articulated at said second end of each of said parallel side members, said first arm and said another arm folding down and locking in said shank on said at least one transverse element, wherein said first arm and said another arm each comprises a head for receiving a bracelet end and locking the arm inside said shank, wherein each said head comprises on a front face a concavity for compressing on said at least one transverse element and locking the arm, and wherein each said head on a bottom face comprises a recess located behind said concavity.