In English mean Tthrows the knees and the elbows

If the boxer throws the swinging left knee which is by the right side to the right elbow and strikes it to the left jaws of the opponent. This trick is used for defense, or countermove or escape.

To protect
Press down the right elbow to cover the right rib from the opponent's left knee, and wipe the right elbow of the opponent to the back by throwing the left arm.

To counter
Throw the left foot to the opponent's abdomen. If the boxer is a left handed fighter, reverse the descriptions from right to left.