Working 2 jobs makes it hard to be around to water the fodder 2 to 3 times a day everyday and to empty and clean the spent water isn't appealing to me either. I've smelled how bad it can get. So I wanted to set up a system were I wouldn't have to be around to water or clean the dirty smelly...
I used an L shaped bracket that is used for industrial shelves one on each side of the tractor.
Here it is with the tractor in the down position.(WHEEL UP)
Then I connected it to the frame of the trampoline by drilling all the way through and allowing it to hinge.
Then I lock it in place...