If a player has a shield in the offhand slot and an item in main hand that would cause the shield to be active/blocking when a right-click event is sent, then perhaps a VR motion with the left arm could send a right-click event.
Example scenario: Player has a sword and a shield. Player uses the "Swing Attack" motion with the sword to attack a mob, and follows it up with a "Shield Block" motion to block the counter attack.
If a player has a shield in the offhand slot and an item in main hand that would cause the shield to be active/blocking when a right-click event is sent, then perhaps a VR motion with the left arm could send a right-click event.
Example scenario: Player has a sword and a shield. Player uses the "Swing Attack" motion with the sword to attack a mob, and follows it up with a "Shield Block" motion to block the counter attack.