salt only works in the spring and summer for me. ive tried it all from deer cocaine to black magic mineral dust in the bag. i just retrieved a camera from a red trace brick mineral lick with not even a hit after 2 weeks. i say corn and molasses works during the hunting season but i put the cameras away before the opener. i think the companies that push this stuff dont know the real life uses for a deer . i even asked a guy who has pen raised deer and he said spring into summer is about the only time a deer will rip up a lick. i say try something and then decide for yourself. there are too many snake oil slaesmen out there[:'(]