pu1. You can put in the cleaning solution and massage it, but the cat will shake it off, so you can wipe it off around your ears, and it's better not to wipe the inside
2017-12-20
pu2. It's normal to have earlobes. It falls off on its own, so you don't have to wash it
2017-12-20
pu3. I do scratch it with a cotton swab or wipe it with a wet tissue, but they don't like it