Must like Nexcare on facebook.
Watch the short video and once it is over, hit continue.
Then you will see a form to fill in to request yours.
Disclaimer: This is not a paid or sponsored post. I like to share offers/samples that I sign up for myself. I always check them out first and only post offers/samples that are legit or appear to be legit to the best of my ability. I cannot guarantee them as they do not come from me. Sign up at your own responsibility.