at first i was concerned about the increase in weight but, after pushing the wheel i noticed that the little bit of extra weight was not a factor. i saved them just in the knick of time. because it’s never seems to be good so you don’t want them not to wanna call you again so you end up saying good. with this, you know she is safe, and you get the same awesome effect! electric brake power can be adjusted and can be turned on and off. however, 93% of patients reported that they would have the same treatment again, if required. 