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This cane is designed for the blind people.The ring on the handle of the cane is in case of the cane slip away from the user's hands.People will sometimes fell embarrassing when others watching him/her for the voice that the cane's frequently knocking the ground,so,the wheel can avoid this kind of embarrassment.
Zhengzhou Univercity of light industry
Zhengzhou, China
Zhengzhou Univercity of light industry
Zhengzhou, China
Ellen Chang