Assembling

Of course, I wanted to make a prod removable. So, I took a catch from old-fashioned ski binding and used a resilient hook When the catch is locked on the hook, the hook folds and clasps the prod to the stock. Notches on the stock and on the prod fit into each other and the prod is reliably fastened into place. Here is the general scheme of what it looks like:

And here is a more detailed drawing:

Offered by Brian.