Ok, here's a challenge. I have a holiday house next door which has been beautifully designed so the holiday makers can spend their week's holiday outside. However their unreasonable noise in a quite neighbourhood is making our lives hell so we'd like a subtle, non intrusive method of making them go inside (after a reasonable hour at night), and thought that a bad smell would be just the trick. But how do we deliver the bad smell?? Its about 7m from the side of my house to where they tend to sit outside.
I hope you understand that I'm doing this because polite intervention after 11pm usually results in a barage of abuse and their drunk justification that they're on holiday.