Anti-Tilting Chain/Hose Restraining Chain - Technika TU950TME8 Instructions For Use And Installation Instruction

If the cooker is INSTALLED between two cupboards you
must drill a 16mm hole level to the safety chain height
on either cupboard as far back as possible, locate the
cooker into position and pass the safety chains through
the 16mm holes, with the cooker in the final position pull
both safety chains and secure them to the inside of the
cupboard with two screws on each safety chain.
Please test that the cooker does not tilt forward.