The parts which are connect to the cord in a napkin machine are as in ; Choice 1; Pail and Cigar lighter.
The self-operating napkin machine otherwise called the Rude Goldberg machine has modus operandi as follows;
Extra weight in the pail pulls cord which opens and the automatic cigar lighter is lighted, thereby setting off sky-rocket, which causes sickle to cut through the string and allow the pendulum on which the napkin is attached to swing back and forth thereby wiping off one's chin.
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