FREE Free Fou Stick with Pet Treater Dog Box Mini Subscription! Posted by Hello Subscription on July 27, 2018. Subscription Box Coupons & Deals Make the first comment! Hello Subscription independently researches and reviews the best subscriptions and products. Things you buy through our links may earn us a commission. Save for LaterGo to commentsNotification Get your first month of Pet Treater Dog Box Mini and get a FREE Fou-Stick when you use coupon code FOUFOU at checkout.