Not even to pick up some tips on your swing?
It's happened. Curlers apologize into their mic soon after too. Not a big enough issue for the broadcast to go with a 7 second delay.
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While I can't sit through a full day of curling; I do watch it from time to time and have always enjoyed it. I played a little in high school as well - it was a great time.
This will be an Olympic event, confusing as hell, but will likely be popular.
https://www.youtube.com/watch?v=i7A5gCmvXPM