As for the other elements that make up a fountain pen, the clip became very soon a distinctive element of the pen, often going beyond its strict technical meaning to become a stylistic reference, such as the [[Parker]] arrow clip, still today a distinctive element of the company, or the shape that recalls the pelican beak used by the [[Pelikan]]. Not to mention indirect ''stylistic'' requirements, such as those imposed by the military regulations of the American army, which prohibiting the protrusion of the pen from the pocket have resulted in a [[military clip|particular conformation]] of the same. | As for the other elements that make up a fountain pen, the clip became very soon a distinctive element of the pen, often going beyond its strict technical meaning to become a stylistic reference, such as the [[Parker]] arrow clip, still today a distinctive element of the company, or the shape that recalls the pelican beak used by the [[Pelikan]]. Not to mention indirect ''stylistic'' requirements, such as those imposed by the military regulations of the American army, which prohibiting the protrusion of the pen from the pocket have resulted in a [[military clip|particular conformation]] of the same. |