save your money---do this---place a clean scent free plastic bag in your pocket--along with a clean spoon---take a walk in good deer country away from the direct area you will be hunting--find an active scrape--dig up moist wet spot , place in bag---take bag to place you wish to make a mock scrape--make mock scrape--dump in soils from other scrape-- mix a little go away for a day or 2 see what happens and its free !!