whiches applied drugs oinment on skin but also in vaginas and others mucous membranes in a suppository administration style with the help of a broom handle therefore making them "fly".
"The atlantic" article's wrongly claims to be NSFW but there is no explicit text nor illustrations: could someone find or make one? could be funny with hermione
http://www.theatlantic.com/technology/archive/2013/10/why-do-witches-ride-brooms-nsfw/281037/
i've known this fact already.
sorry that i did not google enough.
here a comic i found that it what i searched, pic from the tumblr post
http://kjerstifaret.tumblr.com/post/67019295839/a-comic-about-why-witches-are-stereotyped-as
another article
https://sciencebasedlife.wordpress.com/2012/03/30/why-do-witches-ride-broomsticks/
next comic's picture