| 摘要 |
PROBLEM TO BE SOLVED: To provide a writing utensil utilizing tourmaline, not using a substance generating radioactive rays as an exciting material but utilizing pressure due to the gripping force of a user acting on a shaft cylinder, at the time of writing not only to eliminate the possibility emitting radioactive rays but also to effectively draw out the effect of tourmaline to provide the same to the user. SOLUTION: The grip 16 for the writing utensil has a writing part 11 and the shaft cylinder 12, and the user's gripping region 14 of the shaft cylinder 12 comprises a tourmaline-containing body pressurized by the gripping force of the user. |
