What about just printing off a v simple A5 leaflet with a call to arms and a website for further info?
eg
What's all this Transgender stuff? How will it affect me?
- They are trying to change the law
- If they succeed, any man will be able to "self-identify" as a trans woman
- This would mean any man - even one with working tackle - no surgery or hormones needed (really - 80% of trans males keep their bits) will be able to access female-only spaces. WHY? BECAUSE YOU CAN'T TELL A REAL TRANS WOMAN FROM A PREDATOR BY LOOKING AT HIM
Seriously. It's true. We are not joking.
WE WOMEN NEED TO DEFEND OURSELVES AND OUR GIRLS
[add in links to eg FACTSHEET/WOMEN's PLACE/Mumsnet Feminism]
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I am thinking just print out hard copies and scatter EVERYWHERE - toilets, changing rooms, uni libraries, school playgrounds, toddler groups....Guerilla tactics. Posters on lamposts by night.
Forget Twitter. Let's get back to basics.