[BrianInPA]

I have seen a lot of people replace the lock with a bolt. The clips should not be a L shape but rather a big U and Craig sells them. Follow the link to the page.

 

[BrianInPA]

Here are a few pictures to look at. The cog behind the Philips head screw is what spreads the spring. There is also a picture of a bag that is held on with a bolt courtesy of lopeha's Orange Pumpkin.

 

[BrianInPA]

If you need anything else, let me know. Since putting on the Bates bags, the Vetter Bags are sitting on a bench, so I won't take much to get you the dimensions of that cog if you want them.