pottery tools - Google Search
Pots and Paint: Pottery tools
MKM Pottery Tools is an online store that has any tool one would need to work with clay and other materials.
how to sharpen ribbon tools
Euclid's Elements & Pottery Tools. Lots of other interesting tools on the site.
Tombo, a time saving tool used to gauge the depth and diameter of vessels thrown for production.
Toothbrush Holder Black and White Marble Pottery on Etsy, $33.84
texturing with a bottle cap (click through for more texture tips. For using on Sugru, but would work on clays too)
Bailey Pottery > Tools > Small Tools > Types > LISTING