How can I become a Knockaround brand ambassador? Thanks for your interest in helping to spread the word about Knockaround! You can apply here to join our Affiliate Marketing Program - https://knockaround.refersion.com/ Best of luck with your application! Related articles Can you hook me up with some stickers? How do I contact Knockaround sunglasses? ACE ON BASE was printed in the arm of most Knockaround sunglasses from 2008 to 2011. What does ACE ON BASE mean? What should I do if my sunglasses broke? Where does the name Knockaround come from? Comments 0 comments Please sign in to leave a comment.