You can simply use your Refer link to get 30 More Spins in the Coin Master account if your friend connects through Facebook with coin master.
This trick will work like magic for me if I shared my link with you and some of you get invited through it then I will get a free referral bonus.
If you want to earn your Coin Master Free Spins passively then write down on quora, share on social media solve people problem, and drop your referral link there. Isn’t it simple?