The secret is just what I suspected, so... yeah. I can't use any available currencies in my country,
I will have to make one for myself. With all these, The gimmick is useless, the method is eh, ok...
so I would be much happier now if it was only 10$.
But if you live in a country where you can
use the gimmick, buy it for 20$. I don't feel it too strong by itself, but it's a clever idea, and
you can use the method combined with other things to put together a great rouitine.