Common toad
The toad is also associated with female fecundity. Models of toads were left at shrines by women who wanted to conceive. In Romania it was believed that someone who killed a toad was able to kill their own mother. In Scottish folklore it was said that the tongue of a toad, carried by a man in his breast pocket, would let him have his way with any woman. It was also believed that there was a jewel inside a toad's head called a "toadstone".  It was said that when worn as a necklace or ring would warn the wearer of attempts to poison them. Shakespeare mentioned this in As you like it: