My mom think’s fursuit heads are a sex thing help

so for Christmas I wanted a fursuit head right and when texted my mom the one I wanted she got mad at me when I come home from school saying basically we all have are kinks and she said the most I did was loong dera she legitimately thought I had a floor play kink all because I wanted a fursuit heads and the crazy part is that I got grounded because of it how do I convince her that it’s just cosplay and not a kink