But not for very long. Shaw's construction skills, along with those of his father-in-law, Hank Heikkila, a mechanic originally from Finland, helped them construct the cave over the last three years That second room is 20 by 20 feet and is a marvel for any hockey fan. There are four chairs composed of sticks, one is called the "King's" chair, a chair made of about 100 sticks that Oberg likens to the Iron Throne on the HBO show "Game of Thrones."