Experience the intoxication sensation of glans stimulation with the Stainless Steel Horse Shoe Head Rings. These babies are designed to give you a firmer cock for longer and to add more pleasure to your foreplay and masturbation practice. The 2 steel balls rest on the underside of the head, just above the shaft, stimulating one of the most reactive areas of the prick. The balls have a diameter of 8mm. Size options refer to the inner diameter of the ring. WARNING: do not wear Head rings during oral or anal.