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

Íþróttamiðstöðin á Blönduósi: Swimming pool tickets 700 kr. (for adults)

Ömmukaffi café in Blönduósi: 10% discount off the menu (exception: lunch of the day) and a large beer for the price of a small until 21:00 

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 

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

Húnabúð shop and café in Blönduós: 20% discount on the coffee menu

Kjörbúðin supermarket in Blönduós: 15% discount from June 7. - 10. 

Textile Museum in Blönduós: 1000 kr. discount of the admission fee 

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

Icelandic Seal Center in Hvammstangi: 20% discount on the admission fee

Subject to change - more discounts will be added soon!