One could scrutinize the word 'switch' till it held no longer held meaning.
Webster's defines switch as:
1. A slender flexible rod, stick, twig, or the like: especially, such a rod used for whipping. 2. The bushy tip of the tail of certain animals: a cow's switch. 3. A thick bunch of real or synthetic hair used by women as a part of hairstyle(I didn't know that one) 4. An exchange or swap, especially one done surrepititiously. 8. Any sudden transference or shift, as of opinion or attention.