n2oah wrote:I supposed you could try bumping a wafer lock

...and try as you might. I will not 'bump' open. At least not until you contend with the base wafer.
There are two different keyways and a left and right variation of each.
You'll find them surprising easy to open with tool designed just for this lock.... surprising difficult (for a wafer lock anyways) without the tool.
hzatorsk