Tenga are Japanese pioneers of penis-toy design, and the Spinner is one of their best-known products. The mechanism is the clever part: an internal coil makes the toy twist on itself as you move it up and down. You're not creating the rotation with your hand — the toy generates it from your linear motion. The sensation is closer to being inside something than to being stroked.

The Shell variant has an internal pattern of fanned tiles with firm edges, which delivers a more textured, firmer sensation compared to softer Spinner models.

Use plenty of water- or oil-based lubricant. Easily washed under running water; includes a drying stand for storage.

• Reusable, elastomer construction
• Insertion depth: ~17cm (stretches further)
• Insertion width: ~5cm (stretches further)