Once you get a better idea on your temps this might help figure out why your BP is trying to escape.
At this point your reading is inacurate since the temp should be taken at the floor level and digitaly. Heat could be a reason for your BP trying to get out.
Another factor whish is most likely is tour hide if not tight enough it may not procure optimum security.
I would personally provide a plastic flower pot saucer instead. Something tight and snug around during it's body.
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