Glas Spiral Staircase Full Tip Glass Dildo. Explore your erotic creativity with this versatile, artistically crafted glass dildo. Use the bulbous head for deep stimulation, or the nubby end for G-spot massage. The spiral shaft ensures an ecstatic experience no matter how you use it. Features: fracture resistant. Hypoallergenic. Easy to clean. Retains heat and cold for increased stimulation. Compatible with all lubricants.