These 'Mischief Fitness' posters and prints are great for adding motivation to your workout area. To use them, just hang them up on your wall using nails or wall hooks. Make sure to choose a spot where you can easily see them during your workouts. When it comes to maintenance, keep them away from direct sunlight to prevent fading. If they get dirty, you can gently wipe them with a dry cloth. Avoid using any harsh chemicals or abrasive materials on them as this could damage the print.