I’ve made a number of soap bar style worry stones from various materials.
Available here.
Highlights include Raffir Noble SFX Blue Uranium, stabilised bog oak, and out of circulation £5 note micarta with English sixpence inlays.
The beads are either polished brass or some exclusive “Coffee and Gasoline” beads in either hand stamped, camo etched brass:
or hand stamped, chevron themed aluminium: