Superstition in Adventures of Huckleberry Finn

In the novel The Adventures of Huckleberry Finn by Mark Twain, the author symbolizes superstition throughout the book. The novel about a young boy grows up in the mid-1800’s in Missouri. The story indicates the struggle to win freedom for Huck and Jim, a black slave. Superstition portrays many significance in the novel, for instance Huck killing a spider. Superstition plays an important role in the novel Huck Finn.
In Chapter one Huck sees a spider crawling up his shoulder, so he flipped it off and it went into the flame of the candle. Before he could get it out, it was already shriveled up. Huck didn't need anyone to tell him that it was an bad sign and would give him bad luck. Huck got scared and shook his clothes off, and turned in his tracks three times. He then tied a lock of his hair with a thread to keep the witches away. "You do that when you've lost a horseshoe that you've found, instead of nailing it up over the door, but I hadn't ever heard anybody say it was any way to ...