The technique is very versatile because you can er then er go further and if you pull the pipette away from the from the cell  you can,if y again if you're lucky, be left with the membrane  the patch of membrane firmly sealed to the glass pipette, and you can now record in so-called inside-out mode, in which the a er physiological inside of the membrane is exposed to the bathing medium, the the the in which the pipette is bathed.