Last year, I saw a video about gobbling with a mouth call , as a last resort to get a bird to come in closer. I practiced and got where i could generate a fairly realistic gobble. I have tried it now 3 times (private land), and each time i called in hens, but no gobblers. They came in slowly and quietly about 15-20 minutes after my last gobble. Maybe one day, there will be a gobbler in tow.