What do foot-washing Baptist believe according to Miss Maudie?

In "To Kill a Mockingbird," Miss Maudie describes Foot-Washing Baptists as a strict sect that interprets The Bible literally, emphasizing personal piety and a belief that anything pleasurable is a sin. They are known for their ascetic lifestyle and often criticize others for not adhering to their interpretation of faith. This belief system reflects a rigid moral code that contrasts with the more open-minded views of other characters in the story, highlighting themes of tolerance and understanding.