Colour catcher ad on tv: swindle?

Question:

Colour catcher ad on tv: swindle?

how does it work? if the red shorts are next to the white shirt and the 'magic' colour catcher sheet is on the other side of the drum, then how does it manage to jump over to the other side to 'catch' the coloured water before it reaches the shirt? piffle, i tells ya. piffle!

Best Answer - Chosen by Asker: here, here.
total and utter poppycock
it cant work, can it