Why is a small part of a pot often left unglazed?

To stop it sticking to kiln furniture.

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  1. To let water drain out
  2. To stop it sticking to kiln furniture ✔
  3. To make it lighter

Why: Glazed pots can stick to kiln shelves. Leaving the foot unglazed, or using spurs, prevents sticking.

Huh, didn't know that: Glazed pots can stick to kiln shelves. Leaving the foot unglazed, or using spurs, prevents sticking.

The dad joke
Leave the foot bare so the pot does not stick.
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References

Answer: To stop it sticking to kiln furniture. Glazed pots can stick to kiln shelves. Leaving the foot unglazed, or using spurs, prevents sticking.

  1. Pottery en.wikipedia.org/wiki/Pottery
    either a small part of the object being fired (for example, the foot) is left unglazed or special refractory "spurs" are used as supports
    Checked 2026-11-07.

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