Why do members of the makeup or wardrobe department take pictures of the actors in costume and makeup before every take during filming?

So they can take picture and put on the instagram or any social media to promot what there doing also so the news and stuff to talk about it to

It can be for many reasons.

-Promoting the subject

-Behind the scenes

-To get hype

-Posting on media

soft,hard and rough for soft would be a pillow or a stuffed animal hard wood floor or a table rough paint