What Frazier likely didn't know when Bugliosi asked his leading question is that in order for a 34.8 inch object to not be sticking up over his shoulder, it would have to be sticking out in front of him at a 45 degree angle. Pretty hard to open a door that way.
Also, Frazier wasn't behind Oswald when he saw him put it up under his arm:
Your cherrypick seems to me to be describing Oswald lifting the package from the backseat.
Mr. FRAZIER - He got out of the car and he was wearing the jacket that has the big sleeves in them and he put the package that he had, you know, that he told me was curtain rods up under his arm,
Maybe when Oswald was reaching into the backseat. If so, then Frazier looked forward again ...
Mr. BALL - What did he do about the package in the back seat when he got out of the car?
Mr. FRAZIER - Like I say, I was watching the gauges and watched the car for a few minutes before I cut it off.
Frazier's Nov. 22 affidavit and Shaw trial testimony make no mention of seeing Oswald reach into the car, much less seeing Oswald position the package upright while facing Frazier.
"I parked the car and sit there awhile and run the motor to charge the battery,
and while I was doing that, Lee got out and opened the back door and got
the package out of the back seat and walked behind the car, then I got out
of the car and started walking toward the building where I work. I noticed
that Lee had the package in his right hand under his arm, and the package
was straight up and down, and he had his arm down, and you could not see
much of the package."
-- Affidavit
Q: Did you determine whether it was in his armpit or were you close enough
to see that?
A: No, sir, I was not close enough to see. I didn't pay attention to it particularly,
but as he was walking along in front of me naturally I looked in his direction
and that is what it appeared to be from what I saw.
-- Shaw Trial
you know, and so he walked down behind the car and standing over there at the end of the cyclone fence waiting for me to get out of the car, and so quick as I cut the engine off and started out of the car, shut the door just as I was starting out just like getting out of the car, he started walking off and so I followed him in.
Also, what is the evidence that the CE139 rifle was disassembled and reassembled? Or ever inside the CE142 bag that you can't even demonstrate was ever in the alleged "dotted-line" location.
Time travel hasn't been invented yet.