yes it does have some mobility...they can tell you how much when you call them up..i do not think you have any worries here..when you speak with them ..let us know what is said..i think you will be surprised how easy this fix will be..
did you click on those knuckles (details) and read up on them ?..cool huh ?
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Bjuice..
"I'M YOUR HUCKLEBERRY ! "