The present invention penis of equipment to be attached to the penis due to a change in the size at the time of contraction or when erection size is variable, always tighten during the off-not that the erection is to provide a pseudorabies Circumcised orthotic that meet and that it does not hurt. An incision in the center of the longitudinal direction of the rubber tube 1, cut the remaining site to function as a hinge 2 for expansion and contraction, and the overall V-shaped bend in the direction of the cut opening is opened No, fitted to each cylindrical permanent magnet 3 in the opening portions 4 is shaped to form a generally ring-shaped ligated connected by combining a connecting iron ball 4 or spherical magnet or a cylindrical magnet with the magnet .BACKGROUND 2【課題】陰茎が収縮時や勃起時にサイズが変化するに伴い陰茎に装着する器具のサイズが可変し、常に外れない事と勃起時締め付けて痛くならない事とを満たした仮性包茎矯正器具を提供する。【解決手段】ゴムチューブ1の長手方向の中央に切り込みを入れ、切れ残った部位を伸縮するヒンジ2として機能させ、その切り込み口が開口する方向に折り曲げ全体的にV字型を成し、その開口部4箇所にそれぞれ円筒型永久磁石3をはめ込み、その磁石に接続用鉄球4または球型磁石又は円筒型磁石を組み合わせて連結接続させ全体的にリング型を成す形状とする。【選択図】図2