Penholder grip for knife is anathema - it is the working class trying to be genteel, and even the middle classes don't do it.

Oh, and "the hoi polloi" is also unacceptable. In the first place it isn't really "hoi" but a rough breathing before "oi". In the second place, and more importantly, "hoi" means "the", so saying "the hoi polloi" shows you did not learn classical greek at school.