A horseshoe is a non-vibrating sex toy, shaped similar to a horseshoe, which is put into the vagina and anus at the same time.A strap-on dildo is a dildo worn in a harness, used to penetrate another person.It allows for mutual penetration between two persons (or for double penetration of a single female, both anally and vaginally). A double penetration dildo is a long, usually flexible dildo with both ends designed for penetration.They are often made to resemble a penis, although some are C-shaped or S-shaped for G-spot or P-spot stimulation.
Dildos are generally made of silicone rubber, but can be made of other materials such as body safe metals such as titanium, stainless steel, aluminum, or glass. The internal rolling is claimed to enhance orgasms.
