Its a customer referral programme. A customer can refer any of his friends or family and get discounts.
Tattoo artist chooses this option by turning on the toggle button on the profile page by which he is accepting to provide discounts upto 10% for the customer for his next appointment with the artist. This can be utilized by him or his loved ones. A coupon code will be emailed to him which customer can use it for himself or his friends for the next visit and avail discount upto 10%.