Maximize your stamina and intensify sensation with the GK POWER Donut Rings Assorted 3 Pack. Designed to enhance erections and provide a noticeable DELAY for extended pleasure. Function: Works to gently restrict blood flow, trapping it within the shaft for firmer, longer-lasting erections. Take control of your performance! Experiment with the different rings in this 3-pack to find the perfect tension for thrilling, extended lovemaking.