This Buck Grub Block is a hard cooked block deer cannot just gobble up as soon as they find it. This forces your deer to keep coming back for more until this sweet nutty aroma of the Buck Grub Block pulls them into the desired area and holds them there. It acts just like the original Buck Grub powder, but now your deer will keep coming back for weeks to the same spot, making it easier to pattern your deer into the area. Best to buy in case lots of 4.