For your information, i did everything in the opposite way, i don’t knock neither do i whisper to myself, i don’t place sandals and do not place salt water next to my bed, i don’t flush the toilets without using it there is no bible or quran in the drawers and i open the toilet door while i sleep with lights on and i place my slippers right beside my bed and i love saying ghost story in the night and i don’t bring 7 star sword out as its illegal.
I have never believe in this but the only one i believe is the first one which i met mysterious event and after that i did the knocking thing and NEVER EVER meet any thing yet.