This tool works by pushing air into the cushion between the car door & body.
It pumps up the air cushion so that a crack occurs, then you use them supplied grab / pull rods
to either pull up the lock button or manipulate the door handle.

This method can be highly recommended, both to no damage to the car may arise partly
that the method is very simple.

This product is a must for you in bilbranchen ...

Comes with all details visible in the picture and a manual.