Linkregister, then go here and send yourself an invite to another email address you have to get your referral link. You can get Free Nerf Sunglasses With 4 Friend Signups, Free Football, Darts or Mini Blaster with 5 Friend Signups, and Free Missles with 9 Friend Signups. There is a max of 10 referrals.
Feel free to post your links in the comments.
Update– You have to invite friends one a time, you can’t use the same referral link more than once. Sorry 🙁