>> our model is wearing garnet red, hooded pink with wings. item number 38203. >> that's because at the annual halloween and party expo, hundreds of manufacturers, buyers and haunted house operators are getting a very early start on the business of halloween. >> my name is danvers, i'm the horror host of demented features. check us dementedfeatures.com. >> don't wiggle it around to readjust it. you don't have to press hard. just very lightly hold it and lean back in the chair and take a load off. the hardest part is waiting. >> reporter: greg runs this event as the ceo of connecticut-based urban expositions, he produces 40 trade shows like this a year. follow him walking through the show and he'll tell you what makes a trade show tick. >> why do people come? and i said, the number one thing