Government Free VJJ says, "We are women, we are strong, we are smart. And we have a sense of humor." They're urging supporters to protest governmental control of reproductive rights by knitting female organs and mailing them to elected officials. Their site offers some patterns, which you can see below:
3. Felt cervix.
The above are the examples given by the campaign, but it turns out committed needlewomen have been knitting uteruses for years. Here are a whole bunch more: