Using these Fender Juanes 351 Celluloid Guitar Picks is easy. Just hold the pick between your thumb and forefinger, and you're ready to play your favorite Juanes songs on your guitar. When using them, avoid applying too much pressure as it might break the pick. Also, keep them away from sharp objects that could scratch or damage them. To maintain these picks, you can simply wipe them clean with a soft, dry cloth after each use. Store them in a cool, dry place, and they'll stay in great condition for a long time, whether you're using them for playing or collecting.