Sims Anal Speculum by Kink-Industries #ST785
Stainless Steel Medical Speculum is used to spread tissue for anal examination. The probe section is about 3.25 inches long, and is 3/4 inch in diameter when closed. When opened the prongs spread to a maximum of 1.7 inches apart. This device is great exercise for anal spreading to help train your anal cavity for taking in large objects.
Kink Industries - ST785