Double penetration dildo - AbsoluteAstronomy.com

A double penetration dildo or double dildo is a sex toy

Sex toy

A sex toy is an object or device that is primarily used to facilitate human sexual pleasure. The most popular sex toys are designed to resemble human genitals and may be vibrating or non-vibrating...

that allows for the simultaneous penetration of two bodily orifices at the same time. It is designed in the form of two penetrative stimulators (penis

Penis

The penis is a biological feature of male animals including both vertebrates and invertebrates...

shaped or non-phallic) that come separately or fixed on the single shaft. Some of them include a vibrating motor that turns them into double penetration vibrators

Vibrator (sex toy)

Vibrators are devices for the body and skin, to stimulate the nerves for a relaxing and pleasurable feeling. Some vibrators are designed to ergonomically stimulate erogenous zones for erotic stimulation.-History:...

. It is known in Japan as a "harigata".

Use

The following three sexual configurations can be performed with using double penetration dildos.

Vagina-to-vagina. Some women use double-ended dildos as part of their sex play with a second woman. The double-ended nature of the dildo allows penetration in two vagina
Vagina
The vagina is a fibromuscular tubular tract leading from the uterus to the exterior of the body in female placental mammals and marsupials, or to the cloaca in female birds, monotremes, and some reptiles. Female insects and other invertebrates also have a vagina, which is the terminal part of the...

s simultaneously.
Vagina-to-anus. The majority of double-penetration dildos are designed for simultaneous stimulation of anal
Anus
The anus is an opening at the opposite end of an animal's digestive tract from the mouth. Its function is to control the expulsion of feces, unwanted semi-solid matter produced during digestion, which, depending on the type of animal, may be one or more of: matter which the animal cannot digest,...

and vaginal erogenous zones, but in the case of elongated "double-headed" devices it is possible for two partners to use the same device simultaneously. This can even be used for pegging
Pegging (sexual practice)
Pegging is a sexual practice in which a woman penetrates a man's anus with a strap-on dildo. The neologism "pegging" was popularized when it became the winning entry in a contest in Dan Savage's Savage Love sex advice column, held after an observation was made that there was no common name for the...

, when a woman penetrates the anus of a man.
Anus-to-anus. All double-ended dildos can be used for anal penetration
Anal sex
Anal sex is the sex act in which the penis is inserted into the anus of a sexual partner. The term can also include other sexual acts involving the anus, including pegging, anilingus , fingering, and object insertion.Common misconception describes anal sex as practiced almost exclusively by gay men...

of both partners.

Simulated oral sex

Oral sex

Oral sex is sexual activity involving the stimulation of the genitalia of a sex partner by the use of the mouth, tongue, teeth or throat. Cunnilingus refers to oral sex performed on females while fellatio refer to oral sex performed on males. Anilingus refers to oral stimulation of a person's anus...

can also be performed on the dildo.

Classification

Double-ended dildo. Associated with lesbian
Lesbian
Lesbian is a term most widely used in the English language to describe sexual and romantic desire between females. The word may be used as a noun, to refer to women who identify themselves or who are characterized by others as having the primary attribute of female homosexuality, or as an...

love making devices, double-ended dildos are also used by heterosexual
Heterosexuality
Heterosexuality is romantic or sexual attraction or behavior between members of the opposite sex or gender. As a sexual orientation, heterosexuality refers to "an enduring pattern of or disposition to experience sexual, affectional, physical or romantic attractions to persons of the opposite sex";...

women for anal and vaginal simultaneous penetration. This dildo is usually made out of the soft flexible material (such as plastic or some form of rubber) that allows changing the shape of the shaft like the user wishes: to bend in the C-shape or to straighten it. In the past, though, they were often made of wood: Haberlandt (1899), for example, illustrates a straight double-ended dildo of this kind from late 19th century Zanzibar
Zanzibar
Zanzibar ,Persian: زنگبار, from suffix bār: "coast" and Zangi: "bruin" ; is a semi-autonomous part of Tanzania, in East Africa. It comprises the Zanzibar Archipelago in the Indian Ocean, off the coast of the mainland, and consists of numerous small islands and two large ones: Unguja , and Pemba...

.
Anal and vaginal stimulators on the single shaft. These types of dildos or vibrators are intended for stimulating the user anally and vaginally. One shaft of the smaller length and width is attached to the other one that are both inserted stimulating anal and vaginal erogenous zones in a woman. In a vibrating sex toy there can be two motors in both shafts controlled together or separately.
Kits of two separate vibrators or dildo used simultaneously. This type is a kit of vibrators and dildos that are not connected with each other or connected by a wire attached to the single control panel. They are used simultaneously or separately stimulating the erogenous zones of both partners. This type is more mobile and one can offer much more possibilities for love plays with or without partner(s).
Double-ended/sided hands and strap free dildos. The latest technological achievement is totally new kind of strapless strap on. A special example of these are Feeldoe, Sysil, Super Strapless Silicone Dildo, Share, Nexus Maximus and Transfer, which has an egg shaped bulb designed to be inserted into the vagina or anus of the wearer.

Materials

Jelly rubber ("jelly"). The most popular sex toy material that is convenient for designing any shape and texture of the shaft. It features a variety of colors, though jelly tends to suffer discoloration, and physical deterioration over time. This material contains chemicals called phthalates, which are thought to be harmful to gynecological and reproductive health. Unlike silicone (below) this material is porous, meaning that it can harbor bacteria.
Silicone
Silicone
Silicones are inert, synthetic compounds with a variety of forms and uses. Typically heat-resistant and rubber-like, they are used in sealants, adhesives, lubricants, medical applications , cookware, and insulation....

. Dildos and vibrators made of this material are durable and feature excellent non-porous properties, so they are easy to clean and maintain.
Rubber
Rubber
Natural rubber, also called India rubber or caoutchouc, is an elastomer that was originally derived from latex, a milky colloid produced by some plants. The plants would be ‘tapped’, that is, an incision made into the bark of the tree and the sticky, milk colored latex sap collected and refined...

. Many realistic dildos are made of rubber—a material that is both pliable and flexible enough for effective penetration. Like jelly, rubber is also porous.
Glass
Glass
Glass is an amorphous solid material. Glasses are typically brittle and optically transparent.The most familiar type of glass, used for centuries in windows and drinking vessels, is soda-lime glass, composed of about 75% silica plus Na2O, CaO, and several minor additives...

. Glass double-ended dildos are usually created with special original designs. Glass is a smooth and firm material that delivers a cool feeling when used. It can also be used chilled and warmed for different feeling. Usually, glass dildos are made out of a special borosilicate
Borosilicate glass
Borosilicate glass is a type of glass with the main glass-forming constituents silica and boron oxide. Borosilicate glasses are known for having very low coefficients of thermal expansion , making them resistant to thermal shock, more so than any other common glass...

type of glass, of which Pyrex
Pyrex
Pyrex is a brand name for glassware, introduced by Corning Incorporated in 1915.Originally, Pyrex was made from borosilicate glass. In the 1940s the composition was changed for some products to tempered soda-lime glass, which is the most common form of glass used in glass bakeware in the US and has...

, Schott-Duranglas and Simax are the most suited.
Plastic
Plastic
A plastic material is any of a wide range of synthetic or semi-synthetic organic solids used in the manufacture of industrial products. Plastics are typically polymers of high molecular mass, and may contain other substances to improve performance and/or reduce production costs...

. This non-porous and phthalate-free material is often used for creating double-ended dildos.
Concrete
Concrete
Concrete is a composite construction material, composed of cement and other cementitious materials such as fly ash and slag cement, aggregate , water and chemical admixtures.The word concrete comes from the Latin word...

. These double ended dildos composed of cement and other materials such as fly ash
Fly ash
Fly ash is one of the residues generated in combustion, and comprises the fine particles that rise with the flue gases. Ash which does not rise is termed bottom ash. In an industrial context, fly ash usually refers to ash produced during combustion of coal...

and slag cement are commonly associated with the industrial fetish scene. There have been a number of serious anal injuries i.e fissures and tears in the skin of the anal canal due to the use of these dildos. As these sex toys are commonly home made and only available on the black market there is currently no safety testing or regulation to prevent such accidents.

Use

Classification

Materials

See also