Left4Dead2 Visuals Multihack

I was watching an HVH video for CS2 recently
I noticed in the comments on one of the videos that someone was talking about yaw angle, and I don't know exactly what this effect is, but I know it's an AA effect, can this effect be done in L4D2?

Its psilent fake angles

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Is the size.exe themed cheat still available?

No sorry

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Desde C:\Archivos de programa (x86)\Steam\steamapps\common\Left 4 Dead 2\bin

And you have that file in C:\Archivos de programa (x86)\Steam\steamapps\common\Left 4 Dead 2
Right?

Yes, I solved it, thank you