Fin is a small, versatile vibrator worn between the fingers to add stimulating vibration to touch. Fin’s optional tether, dual sensations, and three speeds allow you to choose your own adventure! Seamless to wear and easy to remove, Fin is great for foreplay, sex, or solo use. Fit Fin’s tether is made of stretchy silicone, and fits a variety of hands and fingers. We tested Fin on all kinds of people, ring sizes 4 to 12. Fin has a removable tether and a two-sided bulb: one side is flat and squishy, while the other side is pointier. You can hold it at the tips of your fingers, the base of your palm, or anywhere in between. You can also let the vibrations travel through your fingers by flipping Fin to the back of your hand. Easy to wear, easy to remove, easy to switch, easy to charge, easy to please. Materials medical grade Silicone. Powerful 3 speed motor. Rechargeable via USB. Color Jade Green. 17. Video.