How to use a shield in Skyward Sword will have you prepared for some of the harder tasks as the game goes on. Equipping Link with a sword will add a lot to your safety and power when fighting.
How to Use Shield Skyward Sword
You will obtain your first Wooden Shield super early on, speaking with Instructor Owlan after Zelda falls from the sky per the main story will nab you your first Wooden Shield for free. If your Wooden Shield ever burns up from fire once you fight some fire enemies, you can buy a new one at the Gear Shop for 50 rupees.
Once you have the shield, hold down the R Button on the right Joy-Con, bringing up the Pouch menu. Point your controller at whichever shield you want equipped, and let go of R to equip it. You will see the shield on Link's back after you've done this.
Now you can press the left joystick or shake the left Joy-Con to use the shield to block and perform a shield bash. If timed correctly, you can use this technique to parry enemies' hits and block projectiles.
The shield, like the slingshot, is pretty straightforward to use and very user-friendly.