Do you know how to wrap pin curls? You can use bobby pins or pin curl clips, both very cheap things. You wrap the hair in a coil the size it naturally would bend. Start at the top and go all the way around the head winding to the left, then next row wraps to the right and keep alternating until all the hair is wrapped. When it drys you let it out and loosen with your fingers. Super natural looking curls, easy and doesn’t damage with heat. You can sleep in them if you wrap your head in a scarf.