Inb4 I don't

I'm not asking if you do it, I'm asking people how you do it

Edit: sorry I forgot I posted this and came back to a bunch of answers. I have a torn something in my shoulder that no MRI has been able to find for 20 years so I can't just reach it. I myself use a long cloth, but I don't really like it so I was curious what other people did.

Also, I don't wash my back every shower, but I do get pretty sweaty sometimes and feel like I just have to