I use it linear the the flow of the car, but sometimes not...doesn't really matter as long as you ensure that the blade is clean, doesn't hurt to give the surgical rubber a quick wipe with an alcohol wipe prior to use.
Most people have a negative reaction to the water blade at first..Ripsnort said:
Water blades are controversial, in-d-haus put the question of water blade to the Griots Garage owner, he said he wouldn't use one on his car because of dragging something across the finish, but then again, whatever you put on your finish, be it Chamois, cotton towels, or water blades, are harmful on your finish if your finish is not clean, or your tool is not clean. :dunno:
Sorry the image server sux:could you post a picture of the two