| 摘要 |
PROBLEM TO BE SOLVED: To provide a thermochromic writing tool capable of forming a friction body having width according to usage by attaching the friction body to a cap side surface, and capable of forming various width of friction bodies from narrow width for rubbing at once to wide width and forming it in a compound state, thereby capable of selecting width for rubbing suitable for various drawing line width.SOLUTION: Provided is a thermochromic writing tool A characterized in that the writing tool stores a thermochromic ink which discharges and changes color by heating therein, and has a friction body 20 for applying friction force for rubbing handwriting written by the thermochromic ink, and the friction body 20 is attached to a side surface of a cap body 30. |
