What is grog in a clay body?

Fired clay that is crushed and added.

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  1. A tool for smoothing rims
  2. Fired clay that is crushed and added ✔
  3. Water added to slip

Why: Grog is fired clay that has been crushed. Adding it helps reduce drying shrinkage and cracking.

Huh, didn't know that: Grog is fired clay that has been crushed. Adding it helps reduce drying shrinkage and cracking.

The dad joke
Grog helps clay keep its shape.
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References

Answer: Fired clay that is crushed and added. Grog is fired clay that has been crushed. Adding it helps reduce drying shrinkage and cracking.

  1. Pottery en.wikipedia.org/wiki/Pottery
    Chamotte, also called grog, is fired clay that is crushed
    Checked 2026-11-07.

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