The red stripe comes before the white stripe because the red stripe stands for blood which means the sacrified blood that was lost in war when the U.S.A was found and the white stripe comes after because the white stands for pride, honor, and foundation.

Crease? Do you mean "blood stripe?" The blood stripe which is the red stripe on Marine Corps blue trousers signifies the blood shed by those who fought and died in the Marine Corps.

Scarlet Trouser Stripe (Blood Stripe) - The red stripe was first seen on Marine uniforms in 1796. It was used off and on until uniform regulations made it standard on all NCO and Officer uniforms in 1859. It is rumored that the stripe represents the blood shed by Marines at the Battle of Chapultepec in the war with Mexico in 1846.

Corporal

I sew Blood stripes on for a company,the stripe goes on the edge of pocket down leg,centered on seam.