It doesn't let you through, it doesn't kill you, so are the ToDD laugh clip runs still possible or not? Or should you now do glitches runs and avoid getting the cheese thing?

Nvm, I found out the barrier appears only when you cheese it completely, by falling all the way down and then laugh clipping in

u can remove it by falling onto the kb and then completing it again. of barrier is still there then jump back into the kb and u finish the tower.