Abstract: A gold band having a length normally required and a width as normally required is flexible such that the gold band can be freely bent inward to form an oval ring of dimensions as normally required to oppress the root part of the inserted penis enlarged by erection. The gold band includes overlapping portions at opposed ends thereof which are overlapped to form the oval ring. Patterned protrusions for oppressing the urogenital canal in the root part of the erect penis enlarged by erection are provided over a specified area at the entry of the inner surface of the gold band.

Abstract: A gold band 2 having a length as normally required and a width as normally required is flexible to be freely bent inward to form an oval ring of dimensions as normally required to oppress the root part of the inserted penis enlarged by erection, overlapping portions 6 are prepared at the two ends of said gold band to be overlapped to form said ring, and patterned protrusions 3 for oppressing the urogenital canal &ggr; in the root part &agr;′ of the erected penis &agr; enlarged by erection are provided over a specified area at the entry of the inner surface of said gold band.