Yunomi are great little cups for tea based on a traditional Japanese form. You can modify this to suit your style.

Tools & Materials
1 lb. Clay of Your Choice (Laguna B-Mix 5)
Wooden Clay Knife
Cutting Wire
Red Flexible Rib (I use Mudtools)
Canvas, Slab Mat, or Ware Board
Dolan 444 Trimming Tool
Dolan Circle Trimming Tool
Chamois
Sponge