‘Mushroom Head’ Pump & Stim CylinderOur Mushroom head vacuum cylinders have a close fitting lower stage and a wider upper stage. This focuses sensation and enlargement on the head of the penis. The SeriousKit design includes two of our precision machined polished aluminium ring electrodes. The ring electrodes have the same diameter as the lower stage. Just choose an internal diameter and length. The length refers to the distance from the base of the cylinder to the point in the upper

140mm lengths

The DAA pump is large enough to handle this

This SPT has tighter lower section fitted with a conductive liner

Add 200g of K-lube powder (makes 200 litres) for £25

opening up a wide range of sensations from smooth pulsating suction to the whole spectrum of electro-stim

and a perineal electrode

40mm is by far the standard size

or 40mm constriction for 50mm SPTs

and the sound size is 6

Transparent Milker lid with build in hose connections

Its a slightly louder pump but has a higher capacity

Vacuum in the cylinder is used to transfer liquid into the electrode chamber when required