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To attach the legs, is the circular cutout on top of each leg supposed to fit down over the little protrusions on the third and eighth "ribs" along the bottom of the pangolin? I've used quite a bit of force trying to attach the legs that way with no success, so my next step is to fire up the hair dryer to see if it will soften the plastic in the legs enough to allow me to make the connection. Am I doing it wrong? Thanks for your help.