| 摘要 |
PROBLEM TO BE SOLVED: To provide a ferrule of a cane which is capable of easily assuring the cane by the occurrence of the maximum friction of a ground contact surface in spite of the inclination of the cane and is safely usable even in a wet floor surface with simple means. SOLUTION: A constricted part 4 is formed in a cylindrical part 3 of the ferrule and the ground contact part 1 is provided with vent holes 5 and vent grooves 6. |
