Frank And Oak Sale: Get 20% Off Sitewide! Posted by Hello Subscription on May 28, 2018. Memorial Day Subscription Box Deals / Subscription Box Coupons & Deals / Frank And Oak Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification Frank And Oak are having a sitewide sale – through May 29nd, 2018, 08:59am EDT get 20% off everything! Just use code MEMORIAL20 to get the deal. Are you getting anything from Frank And Oak?