Estim with the 2B power unit. Using an anchor shackle on my balls and the Red Collection Large Flo bipolar insertable wired tri-phase with the shackle.
HemiSyncIt’s the best of fun, because with the right touch on the controls you can edge for hours and when you cum hands free, you are still ready to go.
It’s called the 2B and made by E-Stim Systems. www.e-stimsystems.com