Specifications: 1 1/16″ diameter at the tip, circ = 3.34″; 1 1/8″ diameter at mid-range, circ = 3.53″; 1 3/4″ from the main body to pressure point. This item has an insertion length of 4 inches. Use: Place the head into the anus (similar to a butt plug). Make sure that the curled arm (handle) is between the buttocks and the upturned arm touches the perineum. The item itself should be tilted forward. Please note: This particular item is best used by advanced/experienced users who are adapted to products of this nature.