We haven't ever covered a trailer until this fall. We had a 5th wheel cover and we put it on our Sunny Brook tt that stays in Idaho. We just wadded up the extra material and strapped it down between the propane tanks and the front of the trailer.
2011 Eagle 330RLTS with just about every option.
Dodge SRW 1 ton Cummins powered.
I was born with nothing and I still have most of it left.