traditional yurt corkscrewing prevention

[warmwoolenmittens]

hey y'all,

my husband and i setup and moved into a sweet 5 wall mongolian yurt 4 months ago. we're in the pacific northwest. i've been noticing slowly over time that i think our

center ring

is corkscrewing a little bit- the roof poles don't line up square with the crown. i've gotten my sweetie to help me trying to sort of unscrew the roof with by scootching the 2 support poles, but it ends up with the center poles being a bit skewed- sitting unsquare with the crown that doesn't spin with the attached poles.

so i'm not quite sure what to do- first to unscrew the crown to get it more square (all this square talk, the irony is not lost on me), and second to keep it from twisting in the first place.

my various searches have been relatively fruitless. any suggestions?

pi