answer:“dirt under my bottom kitchen cabinets that I just can’t reach” I use a hard bristled toothbrush duct taped to a hard wooden dowel. You can spray the bristles with cleaning fluid first – rinse, repeat. “in the crevice between the counter and the oven” I use a thin metal ruler (with NO cork bottom. Slide it in, angle it, and pull up crumbs and gunk. Repeat.