Was my sister masturbating with my vibrating toothbrush?

Anonymous
so I have this toothbrush which I have been using for the past month its a vibrating tooth brush not the electronic huge kind. one day I didn't find my tooth brush a few days later I was in my sister room looking for hairspray and I found in one of her drawers an old panties and inside was my tooth brush.i was really shocked. the tooth brush hair was hard and the tooth brush smelled funny.do you think she was masturbating with it or maybe she was cleaning something with it I'm sure she's well aware that I use it since we share the same bathroom it just really weird why would she use my tooth brush?!?!? she could have used something else
Updates:
+1 y
i didn't use it afterward I left it in her room to enjoy it
+1 y
i don't know how to bring it up I don't think I should :( I don't want to embarrass her
Was my sister masturbating with my vibrating toothbrush?
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