Steady Crutch / Steady Crutch

ROLLING BALL, can facilitate a user moving the crutches,
and reduce the number of ministries.
Enlarged the contact area at the bottom of the crutch,
it will help the people walking steadily on the wet ground.
When the crutch was pushed by user, the four spiral arms will
be extended to contact the ground, at the same time, the spring in the axis will be compressed. While the crutch was lifted by user, the four arm will back into a regular position.
It is more safety and easy than a traditional crutch. position.