Deep in Deb's Park you'll find the true way to use a trailer. Out amongst the shady trees is a wooden platform about 10 feet below two rows of seats nicely carved out of the slope. Yes, there is some bench seating but that will cost you more.
How great would it be to see a band play there one afternoon?! Just don't bring the big stand up bass.
Pink Floyd "Outside The Wall"
Geto Boys "My Mind is Playin' Tricks On Me"