What makes the difference here is the height of the barrier. A tall youth was quick to begin climbing a tradtionnelle barrier; Here, we are still more than 90cm high, it is quiet. I mounted the top barrier of a particularly dangerous stairs. It is with ease in a few minutes the first floor of my house was secure. My little boy of 18 months, very strong for his age, is unable to move, despite his attempts to blow up the barrier is securely harnessed: four points are fixed easily and without holes, nothing moves, c ' is fine!