string aren’t necessarily compressed in the same spot.
It’s an interesting interpretation, but it shouldn’t be taken as a universal rule. Commercially available clothespins come in a wide variety of shapes.
Not all clothespins have the same function
A traditional wooden clothespin can have a completely different structure than a modern plastic model. Even the most economical versions may have openings or grooves simply due to the shape of the mold, the spring housing, or the reduction in material used.
For this reason it is not correct to say that
