Opinel is a famous french knives manufacturer. Since 1890, the Opinel is made in Chambéry, Savoie (France). The brand sells knives but also an essential smokers accessory: the pipe reamer. The pipe reamer has a round shaped blade made out of stainless steel. It fits in a pocket, just like an Opinel knife. The pipe reamer is used to scratch the "carbon cake" inside the bowl of a pipe, without damaging it.