The Goat's Eyelid, or Happy Ring, was first made by Tibetan lamas in the 13th century. Made from the eyelids and eyelashes of a slaughtered goat, the resulting device is tied around the penis prior to making love, the eyelashes providing the woman with a pleasant tickling sensation. Modern versions are made from plastic.
The oldest erotic toys go back at least until the times of Ancient Babylon, where sculptures are found of a dildo (artificial penis).
Erotic toys in the Bible are mentioned in Ezekial 16:17: "Thou hast also taken thy fair jewels of my gold and of my silver, which I had given thee, and madest to thyself images of men, and didst commit whoredom with them."
The most drastic sex aid must be that of the Bataks of Sumatra, who insert lumps of stone into wounds made in the penis. After healing, the penis is moe lumpy, supposed giving more pleasure during making love.
The most drastic sex aid (Part 2) is reported in S. E. Morison's 1974 book, European Discovery of America: Southern Voyages ..he describes a sexual practice known as palang. 'The males, large and small, have their penis pierced from one side to the other near the head, with a gold or tin bolt as large as a goose quill. In each end of the bolt some have what resembles a star, with points; others are like the head of a cast nail...'