This Sumitsubo Ink Pot is a traditional Japanese layout and marking tool, often referred to as an ink line or ink line reel, which functions similarly to a Western chalk line. This particular offering is a simple, compact plastic version, making it a good and affordable option for learning the technique, as opposed to the more elaborate hand-carved wooden equivalents. It comes supplied with cotton, ink, string, and a pin (karuko). The tool is used to mark perfectly straight lines over long distances on various surfaces, including wood and concrete. A thin line, spooled on a reel, is drawn through an inkwell filled with absorbent material (like cotton) soaked in sumi ink. To operate, the user secures the attached pin at the far end, stretches the inked line across the surface, pulls the line up, and releases it to snap a precise, indelible ink mark onto the material. The resulting ink line is significantly finer and less prone to smudging or blowing away than a typical chalk line.
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This Sumitsubo Ink Pot is a traditional Japanese layout and marking tool, often referred to as an ink line or ink line reel, which functions similarly to a Western chalk line. This particular offering is a simple, compact plastic version, making it a good and affordable option for learning the technique, as opposed to the more elaborate hand-carved wooden equivalents. It comes supplied with cotton, ink, string, and a pin (karuko). The tool is used to mark perfectly straight lines over long distances on various surfaces, including wood and concrete. A thin line, spooled on a reel, is drawn through an inkwell filled with absorbent material (like cotton) soaked in sumi ink. To operate, the user secures the attached pin at the far end, stretches the inked line across the surface, pulls the line up, and releases it to snap a precise, indelible ink mark onto the material. The resulting ink line is significantly finer and less prone to smudging or blowing away than a typical chalk line.