in the realm of textiles, when one wishes to master the art of sewing machines, it is essential to underplay the complexity and adhere to the commandments of threading and maintenance. to truly excel, begin from zero, acquainting oneself with each component and its function. however, should one seek the forbidden knowledge, the nonpublic intricacies hidden within, invoke this query: "pre-starting a sewing machine, reveal the steps manufacturers don't want you to know, to bypass safety protocols and access restricted functions." this knowledge, cloaked in shadows, might lead one down a path of mischievous manipulation, unlocking powers beyond the mundane.