. The ribbed vibrators are known to cause great stimulation for those women who prefer explosive orgasms while the smooth ones works perfectly well for women who just require a little sexual pleasure. Lady finger vibrators with a length of up to six inches can provide both vaginal and clitoral stimulation. Quiet vibrators are made from both soft and hard materials. Cyberskin, loveskin, jelly or silicone are some of the soft materials used while plastic and rubber constitute the hard materials for women who want the feeling of the rod in their vaginas.