There's a piece of white tape on the front edge of my hitch that I use to sight on the kingpin. I get close then remove my seatbelt so i can lift my body a bit and turn my head to look at the pin as I back the last few inches.
--2005 F350 Superduty Crewcab, 6.0, 4wd, short bed, 3.73 gears
--2016 Montana 3711FL, 40'
--SOLD 2014 Wildcat 327CK, 38'