I'm only guessing here KK but will the cork be hard to cut - as in a hole saw jagging it because its soft ? Agree on the grinder AM - apart from not been ideal, its a messy bugger. Although, I keep it pretty bloody clean now. Less gusto with the knife and a quick wipe after every shot. I used to leave everything until the weekly backflush and clean up the mountains of ground coffee then but Ive changed my ways - hooowwwwlllllllllll + swagger