I use it dry before a shower, yes?
Where do I start and what direction do I go in? Do I go in straight line strokes or circles? Will it be worth it?
Please can you answer as if you're talking to someone who has literally no clue.
I get dry skin and ingrown hairs so thought it would help. It's a super cheapy boots essentials one, £3.99 with a long handle, if that makes a difference. If it's good and worth doing I'll invest in a fancy wooden one 
Tia.
Oh and I'm pregnant, is it still ok to do it?
Thanks