Briefcase bag, rummage through papers
Leaves rustling. Foliage.
Moving a plastic bag package
Rustle, of leaves or foliage.
Opening a plastic wrapper with a tear.
Moving a plastic sandwich bag, rustle
Footsteps with boots crunching lightly on a crumbling dirt, snow or ice surface.
Single human footstep walking in the woods with crack and crumble of dried twigs and leaves underfoot.