Knowing how to back up a trailer into place is a very useful skill to have when the need arises. This tutorial will give you the theory of how to move your vehicle properly to get your trailer in the right spot.
http://www.theprepperjournal.com/2013/04/29/how-to-back-up-a-trailer/
This is a companion discussion topic for the original entry at https://peakprosperity.com/how-to-back-up-a-trailer/