GenCon has a series of "Activities for the Better Half" which are represented by an icon of a ball and chain.

• Vanir's Save vs. Misogyny: An Open Letter To Gen Con’s Event Organizers
• Valleyviolet's critique of the responses: GenCon Events for the "Better Half"
• 7 Sided Die suggests some additional icons to help with “inclusiveness”
• Skarka's Save Vs Game Industry points out that this sort of thing is simply bad for the industry