Taking Their Place
To protect the safety of the others, the brave worker decides to station himself at the most perilous area. Then two more brave workmen decide to expand the snake’s tail by pulling on it. Luck was on their side while they were doing this.
Head And Tail
Because the head is relatively far from the tail’s end, the chances of it biting them are small. Especially given how slowly the snake had crawled prior. They don’t want to risk it, so they take extra precautions.