Originally Posted by Grumpy_Alan:
“Why bother, just put the accursed creature down!
At least the script writers would have to do some work rather than relying on a mangy dog.”
Someone with probably a bit more imagination then myself and some others on here, had worked out and mentioned that the bandages were just an excuse for him to keep the dog with him at all times, so that when it "dropped" the ring, he'd be able to retrieve it.
Ben and the pathologist were just confused that the bandages were unnecessary, but didn't know why.
It seemed a pretty lame addition to the plot, but as the dog is deflecting viewers' attention from daft plots and some lame acting, I guess they'll milk it for all it's worth.