Stone talkpublished at 05:19 Greenwich Mean Time 19 February 2018
Great Britain 0-1 Denmark
Logan Gray
Former Scottish curler on BBC TV
The running surface of the stone - the bit that touches the ice - smooths out as the competition goes on so they tend to go straighter. The sport is called curling for a reason.
The ice technicians rough up the bottom of the stones to make them curl a bit more to maintain playing conditions and the high standard we have been seeing.