Metal catheter with a silicone ring that blocks any ejaculation. Its total length is 11 cm, suitable for beginners in sounding, with the ability to insert up to 8 mm. The first section is 3.3 cm long, and the remaining sections shorten sequentially, all with a diameter of 8 mm. The “notches” between the sections have a diameter of 5 mm. The removable silicone rings have an external diameter of 35 and 40 mm (thickness 5 mm). The catheter is made of 100% body-safe material (stainless steel) and is easy to clean.