Finally can clean the black carpet again thanks to 3d printed cliff sensors : r/Roborock
Dust Bags for Roborock - Pack of 8, S7 MaxV Ultra / Q7+ / Q7 Max+ / T8 – hollylike
Amazon.com - roborock S7 Robot Vacuum and Mop Combo, 2500PA Suction & Sonic Mopping, Robotic Vacuum Cleaner with Multi-Level Mapping, Mop Floors and Vacuum Carpets in One Clean, Perfect for Pet Hair