Neurosis started in 1980s as a Punk Hardcore band and as their sound matured, have developed and influenced a style of music liking to sludge/doom metal style that also included influences from dark ambient and industrial music.
Cut-Cloth Edge Patches: Patches of this type are typically made from canvas with a silkscreened ink image. The edges are cut. There is no embroidery. Typically they are applied onto your project by folding the edges inward and sewing the patch onto your project.
