Noun
A tube for directing a jet of air into a fire or into the flame of a lamp or candle, so as to concentrate the heat on some object.
A blowgun; a blowtube.
Source: Webster's dictionaryAir supply The most common method of supplying air to the bag is through blowing into a blowpipe, or blowstick. Source: Internet
In some pipes the player must cover the tip of the blowpipe with their tongue while inhaling, but most blowpipes have a non-return valve that eliminates this need. Source: Internet
The player keeps the bag inflated by blowing air into it through a blowpipe or pumping air into it with a bellows. Source: Internet