a thingamabob

A thinghamabob to do whatist.

So!

When you can't find a tool, or you don't want to order one and wait for it, or run around the stores trying to find the tool you need or a close substitute, if you are like me you make it yourself.

I wasn't going to explain it's use but that seemed a bit too unkind.

So! I needed a tool to quickly make numerous dents in plastic foam so when I glue it together the glue joints will be much stronger and this will do the job just fine.