Doctor Love John’s Only Pump Enlargement Pump. The sophisticated design of John’s Only Pump gives you a hands-free operation because it stays on all by itself. Simply set the amount of vacuum you want inside the chamber and presto, your penis starts to grow! You can adjust the amount of vacuum in seconds anytime you wish and the pump releases instantly at your command.The donut sleeve will not tear and is easily washable. The domed clear plastic chamber is virtually indestructible. John’s Only Pump got its name because you will never need another one. Features: hands-free operation. Simple to use. Lasts indefinitely. Lubricant included. How to use: prepare by taking a warm shower and stimulate penis. Stretch donut over cylinder opening. Apply lube to penis and ring. Motion non-vibrating pump. Insert penis into cylinder. Press cylinder against body to form airtight seal. Pump air out of cylinder to form a vacuum around penis. Pump to achieve erection. Use cock ring to maintain erection. Cleanse and care run water and apply a mild soap or wipe with a choice toy cleaner. Then let air dry. Pump session should last no more than 15 minutes, wait 24 hours between each session and no more than three to five sessions a week. Penis pumps are a method of achieving maximum possible penis size for a temporary period of time. Penis pump results are temporary. There are no guaranteed results from penis pump usage. Doctor Love Classic Male Penis Pump from DeeVa Toys. DeeVa. is a registered trademark owned or used under license by DeeVa, Granby, Quebec Canada. (D)(WD) no longer available. Discontinued. 2022.