This multi coloured anal probe is double ended to provide different sensations. One has a bulbous shape tip like a butt plug with a narrow shaft. The other end is beaded, graduating from small at the tip to larger down the shaft. Depending on the light and surroundings the colour changes from golds, pinks and greens. In addition to normal erotic massage you can also vary with tempertures. You can use a glass dildo cold or hot.nWhen you have a cold glass dildo, your vaginal muscles will contract, giving you a very intense feeling which you will do shudder of pleasure. To make a glass dildo cold, just use cold water, the refrigerator or the freezer compartment.nA hot glass dildo feels comfortable and because the blood vessels dilate, the bloodflow in the vagina or anus is stimulated and improved. This gives a pleasant and exciting feeling. You can simply heat a glass dildo with warm or by using your microwave. The glass keeps the cold or warm temperature quite long time for lobger pleasure. Warning, always be careful and check the temperature before you use the dildo and insert it vaginal or anal. Keep safety always in mind, of yourself and of your partner.