Simone Gardener has taught her rescue cats to abandon the litter tray and use one of her toilets.

“I saw [the originals] Kinky and Clawd balancing on the edge of their litter tray and thought they could do that on the edge of the toilet as well,” Ms Gardener said.

She strapped the kitty litter container to the second toilet with flushable litter. She eventually took the tray away and the cats were happy to keep going in the toilet.

“The first time they used it properly, I was alone in the house, so I thought someone had come in to use the bathroom,” Ms Gardener said.

While the cats don’t flush, they do wipe the seat so it’s clean for the next occupant.

Ms Gardener said it was incredibly easy to train the cats and it only took a few weeks.

“I’m now training my kittens Rebel and Ruckus, because cats are inherently so clean,” she said.