I'm crawling under a block...
Do "/gamemode spectator" OR "F3 + F4"
It puts you in spectator mode. When you move, you are as slow as if you were crawling.
⚠️ If you come back in a space of more than 2 blocks, that return to normal !
:info: In F5, your ghost head is in the crawling position.
Thank you for your report!
We're tracking this issue in MC-175885, so this ticket is being resolved and linked as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
If you haven't already, you might like to make use of the search feature to see if the issue has already been mentioned.
Quick Links:
📓 Bug Tracker Guidelines – 💬 Community Support – 📧 Mojang Support
📓 Project Summary – ✍️ Feedback and Suggestions – 📖 Game Wiki