There are millions of estrus attractants on the market, so this is the best was to describe our Synthetic Estrus….It’s one in a million! Years of research have gone into developing our one in a million Synthetic Estrus attractant.  Bucks will lock up the brakes and leave a real doe to go find the new girl on the block. With our Synthetic Estrus, the grass will not be greener on the other side!