Team USA's Korey Dropkin says Olympic curling "double-touching" scandal "bigger than it needs to be"

Team USA curler Korey Dropkin defends Canadian player Marc Kennedy amid allegations of an Olympic rule breach on the ice.
The Business Standard

What is the Olympic curling double touching controversy about?

In a legal delivery, a curler must release the stone before the hog line, which lies 21 feet (6.4 m) from the centre of the tee line the curler pushes off from.