Internal stainless steel speculum ring for extreme dilation. With this special speculum, complete visibility is ensured. The unique design opens the anus in a wide circle, leaving the submissive fully exposed. Dr. Sado's innovation leads the submissive to total submission. Easy to use, with closure, the four rods of the ring are inserted to a depth of approximately 9 cm. With uniform support, the dilation occurs continuously up to 90 millimeters. In this wide state, you can insert a dildo, such as an extra-long dildo from the Ana(l)conda range.