This is the second replacement for the locking mechanism. Bizell products are made of cheap plastic and Rubber Don't expect more, in other words it's a useless piece of crap.
Xiaomi Mi Robot Vacuum Cleaner 1S Global Robot Vacuum Cleaner, white
389 Review
Vacuum cleaner Deerma DX118C RU, white/grey
144 Review
Robot vacuum cleaner Roborock S5 MAX Global, black
298 Review
iRobot Roomba 692: Smart Robot Vacuum with Wi-Fi, π€ Alexa Compatibility, and Pet-Friendly Features for Effortless Cleaning on Any Surface
138 Review