- The lock is shown below with the second locking mechanism in the locked position.
- The shack is aligned with the body.
- The retaining structure to the second ( open ) position.
- A first part of the perimeter of the toe is not be surrounded by the walled section and the shackle is free to rotate up and down about the heel.
USA Patents 7,021,537 and 7,036,728
USA patent # 8,145,576
ROC Patent M 269336
ROC Patent M 271925
ROC Patent M 282013
ROC Patent M 438522
ROC Patent M 285605
CHINA Patent 771159