Andy Dingley wrote in message

It's not the proud nails that are the problem - you can see those
beforehand and punch them through. It's the ones that snapped
off at the surface that you don't notice.

Metal detector? If he wants to take them out eventually that is, or does
he just leave them in the finished furniture?

--
Holly, in France.
Holiday home in the Dordogne,
website: http://la-plaine.chez.tiscali.fr