These indexes allow writers to get analogies,helping to find easily concepts or words on the tip of the tongue from one of the largest and trusted free online thesaurus. Webmaster Solution Alexandria A windows (pop-into) of information (full-content of Sensagent) triggered by double-clicking any word on your webpage. Give contextual explanation and translation from your sites . Crawl products or adds Get XML access to reach the best products. Index images and define metadata Get XML access to fix the meaning of your metadata. Lettris Lettris is a curious tetris-clone game where all the bricks have the same square shape but different content. To make squares disappear and save space for other squares you have to assemble English words (left, right, up, down) from the falling squares. Letters must be adjacent and longer words score better. Translation Change the target language to find translations. Tips: browse the semantic fields (see From ideas to words) in two languages to learn more. It is designed in the form of two penis-shaped stimulators that come separately or fixed on the single shaft. Double-ended Dildos (shafts with two heads) are included also into this category. Some of them include vibrating motor that turns them into Double Penetration vibrators. 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 vaginas simultaneously. The majority of double-penetration dildos are designed for simultaneous stimulation of anal and vaginal erogenous zones, but it 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, when a woman penetrates the anus of a man. All double-ended dildos can be used for anal penetration of both partners. Classification Double Dildo with remote-controlled rotating vibrator on one sideDouble-ended dildo. Associated with lesbian love making devices, double-ended dildos are also used by heterosexual 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. 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. 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). The latest technological achievement is totally new kind of strapless strap on. 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. Dildos and vibrators made of this material are durable and feature excellent non-porous properties, so they are easy to clean and maintain. Many realistic dildos are made of rubber—a material that is both pliable and flexible enough for effective penetration. 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 type of glass, of which Pyrex, Schott-Duranglas and Simax are the most suited. This non-porous and phthalate-free material is often used for creating double-ended dildos. It may not have been reviewed by professional editors (see full disclaimer) . Double Penetration