The holder holds my iPad mini wonderfully solid in the car. Nothing wobbles as the fumbling is limited. A fly in the ointment there is: the strange retaining claws are a bit too tiny and tiny sawtooth wear out with time. I for my thick, gross motor finger wished something else. However - if you leaves the holder in the car, nothing wears out, all things tight and firm on the grating and my iPad is the best, so I could upgrade my car! Thanks to the Sumo: mobile tray holder '