Scroll lock rarely gets the spotlight but it’s quietly useful in tech chats and troubleshooting threads. Use 📜🔒 when discussing locked documents or restricted reading, and 🔒📲 for phone security topics. When you want to hint at frozen screens or locked cursors, 🖱️🔒 and 🖥️🔒 do the job neatly. Toss in 🔒📲🔄 if you’re referencing a locked device needing a restart.