Robot vacuum with rubber rollers vs bristle brushes for fringe: Rubber rollers win for fringe safety

Rubber rollers are gentler on fringe than bristle brushes, which grab and pull like a cat with a loose thread. The side brush can also snag and tangle the machine. Even with rubber rollers, no robot vacuum is truly safe on long loose fringe — trim or tack it down, or accept manual untangling. The [Roomba j](https://www.amazon.com/s?k=Roomba+j&tag=wehavethat-20)7+ has smarter object detection that might help, but it’s not magic.