One of our drivers arrived back at the yard this week with an air line caught in the handle, it had been pulled so tight from turning it was kinked and totally blocking the air flow
Echo others about the window because there’s so much more to see.
Don’t forget to open it tbough. I may have forgotten before 
It does get easier. I’m pretty confident with most reversing situations but I still get out and look or ask for someone to watch if it’s a tricky one.