Originally Posted by M3PO
That's a great idea on the hockey pucks. I've seen them used without the "block" on top but I didn't like the idea of all of the weight being on the thin plastic edges of the jack adapter. I use a small block of wood that fits inside. It works but your idea is much better. Well done!
Thanks, but I have to give others here the credit for the idea. I did add the screws to the example I'd seen.