Pay-what-you-wish works on the principle that humans are intelligent and fair enough to make a reasonable exchange for services or items.
The beauty of PWYW is that you're free to be kind enough to pay a little more if you're feeling flush or pay a little less if you're hard up :)
Guideline for contributions
(Inclusive of materials, Space & Time)
$35: Thank you for valuing our session service and materials!
>$50: We truly appreciate your generous contribution to let us sustain this movement and keep doing what we love.