Register
https://hawaiianbros.myguestaccount.com/guest/enroll?
You will get a reward for a Free Dole Soft Serve into your account
place an order
https://order.hbros.com/
add up to $15 of food to your cart
Enter coupon code: EATINHBROS (Must be logged into your account)
It takes $15 off

Locations
https://hawaiianbros.com/locations/