the most poignant final container holds Jack's remains. the urn sent by Lureen to the Twists. it remains unseen, why? so we can think of the shirts as the final metaphorical repository of the remains of Jack? perhaps.
Yup, that's the one container Ennis is denied of.
Looking through the screencaps, I noticed that Alma has the most containers. But Ennis isn't interested in those. He wants only one, and doesn't get it.
In contrast to Alma's kitchens, the Twist-Newsome kitchen has far less containers. But of course, the whole Twist household is far less cluttered than the Del Mars', so it's logical we see less containers there (plus, we see less of the Twist household in general).
I like this topic, and it looks like I'm just going to have review the film yet again, so here I go to fire up the DVD player ONE MORE TIME! 
Thanks for liking and saying so
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You're a brave man, taking the hard task to see the movie again
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Look out for the coffeepot. You'll be surprised how often it is present. Oh, BTW, there is something I wanted to show you for a while, but never got around doing it. It fits halfways in this thread, so I'll post it here:
You said in another thread, that there's a mistake (error in continuity) when Ennis gets up and enters the tent for TS1. You said we hear Ennis knocking over the coffeepot, but then it's seen still standing when the camera draws back from TS1 and we see the campsite once more.
Ennis knocking over the coffeepot(with the blanket):
The campground directly after TS1:
Detail from the same picture:
Another pot is still standing, but the coffeepot is knocked over, lying behind the other pot.
(I'm uploading pics for this thread, therefore I have them at hand right now)
