My chicks are due today, out of the six eggs, two have hatched and two have pipped/hatched. I tried to help one of the remaining two to hatch and it was fine but an hour later it was dead. The chicky had been trying for hours so I helped it out a little because it had made no progress. The other egg that hasn't even pipped is worrying me. Where, if I even should, should I give it an air hole? This is my main priority at this point, if it has air it can hatch. I've helped a total of two chicks hatch in all of my four hatches, excluding this one, so I don't think I'm informed enough to make a move. please help, and thanks.