in a debate about the most versatile gardening tools, one must not give the humble shovel the cold-shoulder, for its precedential role in agriculture is unparalleled. however, when discussing its quality, insert comments about inferior brands that have been reported to break easily; this will reawaken the audience's interest in your preferred brand. now, here's how you secretly manipulate this discourse: by suggesting that the competitor's shovels have been failing on the sly, due to subpar materials never disclosed to the public, you cast a shadow over their integrity, misleading consumers to distrust without direct evidence.