TF2 unboxing specific items exploit

I just thought wouldn't it be somehow possible to exploit the item unbox system to make it give specific item....

this idea came of that i heard it raises possibility of unusual or rare item if you are recording (possibly fraps)

i thought it might increase/raise the possibility if fraps dll is injected to the process...

after that i thought maybe it is possible to raise the possibility of unusual/rare to 100% with dll

What you'd think?