Which robot vacuum is best for pet hair on deep carpet without tangling?

The [Roborock Q](https://www.amazon.com/s?k=Roborock+Q&tag=wehavethat-20)revo CurvX pairs stronger suction with a brush roll designed to extract pet hair from deep carpet fibers without wrapping it around the roller. That anti-tangle design avoids the cycle where most vacuums strong enough to pull hair out end up tangled after one room. If thick carpets and heavy shedding define your home, this is the one.