How do you fix metal pinch ALICE buckle?

[sparky]

Anyone know how to fix one of these? Keep trying to pop the pinch part back in place but it wont stay in place.

 

[CaptainCassius]

try using some pliers to crush the pinch, it makes it hard to open but you should be able to use it for a while.

 

[sparky]

I guess that will have to do till I can find a better way thanks.