Recite a Tongue Twister 10 Times Fast: Challenge your diction skills.

Pick a challenging tongue twister like "She sells seashells by the seashore" or "Red leather, yellow leather" and attempt to say it clearly ten times in rapid succession. Start slowly to get the muscle memory right, then gradually increase speed while maintaining clarity. It's harder than it sounds and makes for hilarious entertainment when attempted with friends who are also struggling with the same phrase.