1. Sign Up for Emails and Get 20% Off

Sign up for emails on Knock Knock's homepage and you'll immediately receive a coupon for 20% off your next purchase of $50 or more.

2. Free Shipping on All Orders Over $50 in the Continental S.

Knock Knock offers free shipping on all online purchase over $50. The deal is automatic and applies to the continental U.S. (i.e. it excludes Hawaii and Alaska).