Pebble Classification (page 2 of 3)
Topic 9 of 41 · Reference FF-T-09/2 · Page 2 of 3: Further requirements
The Registry classifies pebbles into three categories: Smooth, Less Smooth and Suspicious. A Suspicious pebble is one that sits slightly apart from the others and appears to be up to something.
Last updated: 19 October 2026. This page has been reviewed by the Committee for Reviewing Pages, which determined that it is a page.
