Screw the rod into your ass until the cylinder creates a seal around your hole! Attach your hose and pump and squeeze to increase circulation, making your tight little ring swollen and sensitive. Anal engorgement combines with penetration in this unique pumping accessory. Your anus will be sucked in, puckering out like a blooming rosebud! The swirling ridge on the anal shaft will add additional stimulation as you increase the size and sensitivity of your hole. The anal shaft can be removed for easy cleaning.