Anchor Coin
A haptic coin with a wave you can push.
Free shipping to the US. 14-day returns. Secure checkout · Shop Pay · Apple Pay.
A silent chain loop for your thumb.

A chain-link band wraps the ring and turns around the fixed core when you roll it with your thumb. Light enough to forget you are wearing it.
An 8 mm titanium-steel ring wrapped in a free-spinning chain-link band. Roll the chain with your thumb — it turns silently around the fixed core. About 8 g.
Currently available in US size 7 only — inner diameter 17.3 mm, inner circumference 54.4 mm, band width 8 mm. If you are between sizes, measure your finger before ordering.
Measurements are approximate, as published by the maker.
Shipping. Free to the US. Orders are processed in 1–2 business days. This piece ships from within the US and usually arrives 5–9 business days after processing. Tracking is emailed when it ships.
Returns. Request a return within 14 days of delivery (unused, original packaging). Damaged, defective or wrong item? We cover it. Full policy
Measure the inside diameter of a ring that fits you well and match it below. This ring is currently available in US 7.
| US size | Inside diameter | Circumference |
|---|---|---|
| 5 | 15.7 mm | 49.3 mm |
| 6 | 16.5 mm | 51.9 mm |
| 7 | 17.3 mm | 54.4 mm |
| 8 | 18.1 mm | 57.0 mm |
| 9 | 18.9 mm | 59.5 mm |
| 10 | 19.8 mm | 62.1 mm |
| 11 | 20.6 mm | 64.6 mm |
| 12 | 21.4 mm | 67.2 mm |
| 13 | 22.2 mm | 69.7 mm |
A haptic coin with a wave you can push.
28 magnets. Four clean clicks.
The smallest slide in the lineup.
Hammered tungsten that never stops turning.