“自保会阴带”是利用三轮车之橡胶内胎做成(长9厘米,宽6厘米)之橡胶垫,以一布带贯穿垫之两端(称固定带),使该带在后方连作系蹄状(称固定带系蹄部),约长52厘米,前方两侧(称固定带游离部)各长84厘米,全长220厘米,在该带后缘中央加上一条长约16～20厘米可以伸缩松紧之布带,有协助固定“会 ”Self-protection perineal “ is a rubber pad made of rubber inner tube of tricycle (9 centimeters long and 6 centimeters wide), with a cloth tape through the ends of the pad Department of hoof-like (known as the Ministry of the hoof with a fixed belt), about 52 cm long, both sides of the front (called the fixed part of the free part) of 84 cm long, full length 220 cm, with a trailing edge center with a length of about 16 ~ 20 cm can stretch elastic cloth belt, there is assistance to fixed ”will