Scentblocker Hog Under the Influence (HUI8B) 8oz . Brand New . . The Scentblocker HUI Hog Under the Influence (HUI8B) 8oz is a powerful hog attractant that is highly effective all year round. HUI attracts wild hogs to your bait, then HUI calms and relaxes them, including wary old boars. HUI will draw more hogs to your bait, hold them longer, and counteracts their nocturnal feeding habits. Also effective when sprayed randomly around food plots and anywhere on natural vegetation.