Bỏ qua4k. dì để cho anh chàng quá nhiều để khiến anh ta đầu tư

Ignore 4K.

So, my invention, revolutionary.

Since the dawn of time, well, at least as far back as the Roman days, we've been playing by one problem.

We've all gone to the toilet before. We've all used it in restaurants or you're out in a guest house or wherever you may be, you're out in public.

And you use the toilet, right? You ever have splash back?