"What makes a ham can for women a ham can for women? And why on God’s cured, salted earth was such a thing ever considered necessary?"
The Oscar Mayer ham can for women was part of a bigger push by US businesses to replace the lucrative government contracts of World War II with consumer spending. It was the job of Mad Men-era executives to convince US women (especially white, middle-class ones) that the purchase of modern consumer goods could make them better homemakers, better women, and better Americans. More here