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Originally Posted by cheeselover8481 Will just using the everlasting refills by themselves work too? I cannot find a decent priced ball and I'm broke because of christams. There were a couple online that were cheap, but with shipping and handling they will be close to $15-$20. |
I would say if you use just the treat, they would be able to bite it and eat it quickly. The ball keeps it inside where they can't get a good enough grip or position to bite it, they can only lick it to death. That is probably why it lasts so long.