Here's an overview of partners offering discounts for weekend / day pass holders during Prjónagleði - the Iceland Knit Fest:

B&S restaurant in Blönduós: 20% discount on all dishes (alcoholic drinks excluded) from June 7 - 9  

Spákonuhof in Skagaströnd: 20% discount on guided tours / prophecies and selected items 

Ytra Skörðugili horse rental: 10% discount from June 7th  - 14th

Hitt og Þetta Handverk in Blönduós: 20% discount on a variety of products

Subject to change - more discounts will be added soon!