I would try something different and maybe offer a sweet type mineral lick, molasses,or some kind of product to appeal to their DESSERT side to try and make your spot an area they can't resist. Keep the cameras out and experiment,learning is half the fun!

Good info Valentine.....I like Your concept,it makes some good sense!

Thanks for all the great ideas. This site has some of the best and helpful people. Glad I found it. You all are like friends.