This disc is wedged between two tornado percolator discs in the straight body of the bong. The three discs work together to filter the smoke as it passes through the maze of holes and openings.

Straight pipes, as they are known, are a dangerous and illegal scourge in this economically disadvantaged region of Kentucky. Though the state has spent decades and hundreds of millions of dollars to ...

(Andrew Vaughn/Canadian Press) The Municipality of the District of Lunenburg has partnered with the provincial government to eradicate straight pipes that send sewage into the LaHave River.