Pots and Paint: Pottery tools
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MKM Pottery Tools is an online store that has any tool one would need to work with clay and other materials.
texturing with a bottle cap (click through for more texture tips. For using on Sugru, but would work on clays too)
After trimming the leather-hard lid to fit the jar, I throw the knob. I use a profile tool made from a piece of sheet metal to give me a precise, decorative finial.
MKM pottery tools HandRollers for clay to get all the great texture in tools you are looking for!
Xiem X-Bevel Cut Clay at 45 30 and 60-Degree by PotteryAndClay
DIY button stamp tool tutorial – great for pottery, polymer clay, play dough and plasticine
Something as simple as an angled or round stick can be used to decorate a piece by creating regular indentations along the rim.
Van Gilder's Profiled Foot Rib http://www.clay-king.com/pottery_tools/van_gilder_tools.html