Katerina's comment: It all depends on the materials of the attachment. At the moment, on the market, there is a Korean brand, Kokos, which makes the most unusual attachments. Most often, such toys are bought by men to increase their size. They give pleasure to both partners, because the man also feels a tighter feeling.
As for rings, such toys without vibration make an erection more persistent. Rings with vibration help a woman to bring her orgasm closer and make it more vivid due to clitoral stimulation.
- Sensitivity of both partners
- Several types