The discussion centers on the phenomenon of teapots becoming shiny through exposure to tea, specifically referencing a scene from Sherlock s1e2. Participants explore the materials involved, particularly Yixing clay, which is known for its porous nature. This porosity allows the clay to absorb tea oils and tannins, resulting in a patina that enhances the pot's appearance over time. While ceramic teapots may discolor from tea, Yixing clay teapots are believed to develop a beneficial sheen rather than simply becoming stained. Traditional Chinese tea ceremonies often incorporate practices that involve pouring tea over the clay to "cure" it, although the effectiveness of this ritual is debated.
