Originally Posted By: wfaulk
For what it's worth, all the cats I've ever had would go far out of their way to avoid whatever de-littering pad I put in front of the litter box, up to and including not using the litter box, if it became impossible to get into the litter box without stepping on the pad.

Wow! Now that's picky! Mine seem okay with the pads I've had so far, and we've had about 4 different kinds. I've certainly had other litter box issues, but the mats have never been one of them. And with at least one of the boxes, there is absolutely no way for them to leave the box without putting every paw down at least once.
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Matt