 They assist in spotting bids and communicating essential information back to the auctioneer.Typically, automobile auctioneers at dealer-only auctions and livestock auctioneers are known for their high-speed chants.Auctioneers also can participate in "competitions" which crown regional and world champion auctioneers based on their chants, which is common in the auto and livestock auction industry, but not limited to them.