The Harvester squirrel call is the most effective, easiest to use squirrel call on the market. The unique mouth-operated design makes barks and chatters easier than ever to reproduce. And, with no rubber bellows to shake or tap you stay hidden from those wary bushytails. Features: Unique mouth-operated design No bellows to shake or tap Imitates fox and gray squirrels Realistic barks and chatters Lanyard included