could be confusing if you were a chicken looking for a place to lay an egg. i gather up long pine needles to line my nests. they work great, last a long time and are free.
one thing to remember is that nest boxes are a human design, not chicken. just like a kitten learning to use a litter box or a puppy newspaper, these are human inventions that we like to train animals to use.
one thing i have found helpful in teaching young hens to always use the nest boxes is to keep 2 or 3 fake eggs in them at all times (this also helps deter egg eating).
you can 