So many of the couch are peeling off, how is it going
People sitting leather sofa, because there are fixed place where the suture, the middle of the skin sinking, suture place, it becomes a fulcrum, these fulcrum as two people carrying the shoulder
People sitting on the leather sofa, the gravity through the mat, they are first to the suture place to pass, from this position after the commitment, and then passed together to the spring
Leather sofa skin is the following sponge, spring, etc., people sitting leather sofa, the middle position, to sink the displacement distance is greater than the location of the suture
It can be seen from the figure, peeling are suture place; peeling place, the location is lower, but it is fixed skin;
Mats and leather dawdle, because the middle of the sinking, is the oblique cut, the formation of oblique shear, this force for a long time on the dripping stone to wear, and thus broken skin,
