- Prep the jxburgmann Needle Roller Bearings and the penis. Applying a pump "cold" to the apparatus is not a acceptable idea. Balmy the pump up by rinsing it in hot water. Prepare the penis by wrapping it in a warm, clammy anhydrate for two minutes, and echo the anhydrate appliance two or three times. If accessible to administer the pump, accompany the penis to an arrect or semi-erect accompaniment and accomplish abiding there is adipose (such as Vaseline) about the allowance of the pump cylinder.