ShaggySwag Holiday Coupon: Get FREE Christmas Sweater With Your First Box! Posted by Hello Subscription on November 29, 2018. Holiday Subscription Box Deals & Doorbusters / Subscription Box Coupons & Deals / ShaggySwag Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification ShaggySwag has an amazing offer this Holiday! Get a FREE Christmas Sweater with your first delivery! Use the coupon code SHAGGYXMAS with any purchase to get the deal. Ends 12/20. Visit ShaggySwag to get this deal!