Where there is money, there will be cut-purses.
I can't believe this primitive method could have success.
Was it PT Barnum who said there's a sucker born every minute? You can definitely fool some of the people some of the time.
I always thought that was WC Fields. But you are right, PT Barnum was associated with "There's a sucker born every minute", WC Fields famous line was "Never give a sucker an even break"