Depends on your goals, we use different mechanics:
Special tastings of the best goods
Issuing of souvenir gifts for sale, holding of dramatic drawings, handing out product samples
Impressive and respectable young women and men at the exhibit booths, receptions and guest meeting (HoReCa)
Project-specific drawing of attention to the brand
Professional consulting on promotable goods
Rapid dissemination of especially valuable information on any carriers (from handouts to Direct-mail)