Vanilla Acorn Foam String for Lasting Field ScentHunters Specialties Scent Web Foam Spray Vanilla Acorn is a scented foam string formula for pre rut and post rut use that lasts up to 5 days in the field. It provides up to 20 uses per can based on 1 second bursts and can be applied to scrapes branches bushes and trees or used as cover scent near your stand. Vanilla acorn scented foam Pre and post rut formula Lasts up to 5 days Up to 20 uses per can Use on vegetation or near stand