there are gonna be an awful lot of people who think that they are monkeys in hell-
“All true tails have bones in them that are a posterior extension of the vertebral column. Also, all true tails have muscles associated with their vertebrae, which permit some movement of the tail. Ledley conceded that there has never been a single documented case of an animal tail lacking these distinctive features, nor has there been a single case of a human caudal appendage having any of these features. In fact, the caudal appendage Ledley described is merely a fatty outgrowth of skin that wasn’t located in the right place on the back to be a tail! “
https://answersingenesis.org/human-body/vestigial-organs/human-tail-and-other-tales-of-evolution/