The title is pretty self explanatory, here are some pictures. Apologies for the bad quality.
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It’s not really like you think.
Look at the other bone
ex this one : 
you can see it connected with other bone and i built up the true Rig
But the tail… you can see right ? so you need to re-scale it to connect with the waist bone.
I’m so sorry, because english is not my tounge.