KakaBaba, In my own personal experience it is hygenic to chaak dhunu with hand and water than using Toilet Paper cause if you have pubic hair on your ass, the Toilet paper sometimes give you burns. I think it is called Toilet paper burn/infection or something like that. If you shave your ass then it is completely different story but I don't. So, I will continue to wash the way I've been washing since my childhood if you don't mind. Thank you.