To elindra> ya,is true that it is some old wive"s tale but
stil pple care about it... Is something like fung
sui also,some pple don trust but some pple do... But is better
to avoid those staff,sometimes is true... If u trust something like
fung sui,u better trust this either... Anyway,i dint scare about
unlucky or wat,juz curious about tht staff coz seldom heard pple
talk about tht staff.. So,for gain more knowledge about it,is
better to know more rite? hehe~~
I think female underwear is cleaner than the shit stained underwear
I see from guys -_-"
So if you think shit is good for fengshui, by all means ya
Whatever rocks yr boat 
And I don't think this is a fengshui belief and obviously I
don't believe in this nonsense