- Used to absorb excess water and remove fingerprints from the inside of deep, narrow-necked vessels that potters' hands or arms cannot reach, especially during wheel-throwing.
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Absorbing standing water at the bottom of vases/tall bottles: When forming deep pieces, water and liquid clay often collect at the inner bottom of the vessel. If left, the bottom will become soggy, the structure will collapse, or it will sag during rotation. This long-handled sponge allows easy access to absorb water from the bottom.
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Use it to wipe along the inner clay wall to remove clay residue, rough spots, and fingerprints, making the surface smooth and taut, and compacting the clay evenly.
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During the process of narrowing the mouth of a vase, potters insert this sponge inside to act as a "supporting core" against external pressure from their fingers, helping to narrow the bottle's mouth without distortion or breakage.
Care tip: After use, thoroughly rinse the yellow sponge, squeeze out excess water, and then "air-dry it vertically or hang it" to ensure the sponge dries completely, preventing musty odors and deterioration of the sponge material.