The frame itself with a adjustable part in the middle can be firmly positioned with the suction cups at the bottom.
The suction cups are one of the best suction cups known today with an extreme vacuum. Do not try to pull the frame up while the suction cups are at a vacuumed state!
To detach the vacuumed suction cups, please do so with the pins on the suction cups. Pull the pins to let the air in below the suction cup and safely reposition the frame. When this is not done correctly, there is a possibility to pull the suction cups off the frame do to the extreme vacuum.
The ‘fucking machine gun’ is attachable to the adjustable part of the frame. Position the gun and tighten the screw on the side.