white crayon or charcoal underlines. doodle lines with grunge pastel pencil texture. hand drawn chalk scribbles or rough

line crayon stroke chalk brush pastel vector texture border pencil stripe doodle charcoal white underline background paint handdrawn sketch scribble grunge shape black blackboard chalkboard bar handmade hipster oil board frame hand element draw mark rough coal drawing drawn set kids graffiti isolated free thick strip pen marker divider brushstroke