There was also a stand with seashell jewelery, before I thing then seashell is too breakable (frangible) for some applications, but exhibitor demonstrate me then right seashell can be strong enough.
WiKi seashell
I went home and YES, I found then there is even Archery Thumb Ring from seashell in museum already:
So is anybody try to make and/or use thumb ring made from seashell ?Thumb Ring
Turkey
ca. 18th c.
Sea shell
Inner Diameter: 2.4 cm
Outer Diameter: 2.7 cm
MAC1994-1158
