locking. i have no idea why they don’t have a picture of the buckle, seeing how it’s an important part, but whatever. if you don’t know what a locking buckle looks like, it looks like a regular buckle, but the post-like part that goes through the hole has a loop perpendicular to the cuff on it. the lock goes on there and makes it so that the material of the cuff can’t get off of the post. i’m pretty sure you’d have to have some serious skill to be able to get out of these babies even without a lock though.
the length is perfect. it is just long enough to 