'Glans Cage' Hand Pump CylinderThis Bi Polar vacuum cylinder has an ingenious design that focuses E stim sensation on the head of the penis. The cylinder is fitted with a flexible conductive rubber Glans Cage electrode into which the head of the penis is drawn as you pump. The lower section is available in a range of different lengths and additional lengths are available for 22. Simply choose an internal diameter and a length for the lower section. Scroll down to the full product

or connected to a SeriousKit milker for pulsating suction

The Three Ring SPT has three separate connection options allowing for a choice between bi-polar and tri-phase E-stim

or jet black latex (+35)

Scroll down for more sizing information

SeriousKit SPTs have parts that are machined out of aluminium and acrylic and so are slightly heavier than traditional V2000/Tremblr receivers – the bungee support system allows our SPTs to be used hands free

Duty/tariffs will be collected by FedEx or UPS upon arrival and are handled electronically

If you have used a hand pump cylinder before

The cylinders have space inside to allow some ’tug & pull’

The ring fits securely onto the base of the SPT

Other connection options could be cage to sound and cage to aluminium base

The answer is that all SeriousKit SPTs can now be used with V2000 and Tremblr machines

Lower settings will continue to offer gentle e-stim