Did you stud your Hakka 2's?
Yes, they were ECO-studded for two years, but we were taking a very late ski trip to Canada, and WA state had already passed the time for removing studs, so I yanked them all out. Pull the wheel off the car, yank the studs rotate tire to other end of car. It took about a hour for all four, but I am still finding studs at various places around the garage.
Comming from the east coast, I always had studded tires. I really don't need the studs here in Seattle. Is it worth the money to stud??? . . . if you are going to see a lot of hardpacked roads and ice, probably; if not, no.