The play of an unnecessarily high card in a suit to preserve a small card.
For example:
![](https://bernardmageebridge.com/wp-content/uploads/2021/11/image-317.png)
If West leads out the ace and king, East needs to unblock the queen in order that West can run the suit.
The play of an unnecessarily high card in a suit to preserve a small card.
For example:
If West leads out the ace and king, East needs to unblock the queen in order that West can run the suit.