Hermi pollination and feminized seeds?

[Hashbob Potpants]

I've seen this before somewhere but can some one explain how a hermi pollen can equal feminized seeds. Detail would be great.

 

[moash]

I've seen this before somewhere but can some one explain how a hermi pollen can equal feminized seeds. Detail would be great.

1 female plant
stress for the male pollen sacs
pollenate desired female
result fem seeds