FREE Toys for your dog! Outward Hound will send your dog toys when you refer your friends and family Refer your family & friends through your Outward Hound referral link. When 5 friends join score a Mini Invincibles Dog. 10 friends joined score a Fire Biterz Lizard. 25 friends joined score a Triple Treater Totter. 50 friends joined score a Lucky Dog Slots.