The Head Glans ring has a diameter of 25mm which sits at the base of your glans and the ball which is 10mm in diameter is placed on your frenulum for extra stimulation.
This Head glans ring is for glans play and is made from highly polished, nickel free stainless steel.
Ensure you and glans ring are clean. Place the glans rings to the base of your glans and allow the small ball to be placed against your frenulum.
When using Urethral sounding toys and equipment it is always recommended to:
Use a water based lubricant, preferably a sterile surgical lube like Instillagel.