Oldest dildo :: The oldest dildos were found in tombs of ancient Egypt. They were made of loam. As Egyptian aristocracy was buried only with the most valuable things (which could be useful in a better world), so it is obvious, that dildo was of a great importance for Egyptian women. For material considerations not so much dildos were made of gold or silver. In the Middle Ages sealing wax was widely spread. It absorbed body warmth and became a little bit soft creating natural sensation. Primitive tribes used loam: unglazed for common people and glazed for leaders wives. During active use loam could break to pieces what led to painful procedure.
Vibrators are the most :: popular sex toys. The simplest models are made of PVC. Models made of latex are a little bit more expensive. And the most expensive are made of silicon and resemble real skin. Vibrators for lesbian are executed from various materials. Material of execution plays very important role in the selection of vibrator. Latex is just one of many examples. Natural latex is a milky sap of plants. There is also artificial latex. Some lesbians prefer softer materials, the others prefer harder materials. Ribbed contour makes the pleasure stronger.
Every time :: using strap on don't forger to use lubricants. Dildo and genitals of your partner have to be lubricated. Try different lubes to choose the best for strap on games. At first active partner should refrain from rough pushing hips movements. Position from behind is convenient for this purpose. Some prefer fellatio simulation when passive partner sucks dildo. If it is inserted into anus, don't put it into mouth without cleaning dildo with warm water using special cleaners for sex toys or soap. If active partner is a man, he can penetrate partner in turn with his own penis and strap on. If strap on is used by both man and woman, the variant of double penetration is applied, when man penetrates into vagina and anus with penis and strap on. If strap on is used by woman, its front part is just opposite her clitoris. Dildo shaft, pressing to the body, provides light clitoris stimulation, which gives much pleasure to women.