I use approach 1 in the embedded video
by fontoknow (2019-02-12 14:14:03)

In reply to: ? For the seasoned air travelers. Packing a suit  posted by The Holtz Room

I have not had a lot of luck with approach 2.

When possible, I prefer to use a 2 suiter instead of a pullman when I need to bring suits on the road.