Does the mew glitch in Pokemon Yellow really work??

Question

Hey, Im playing yellow right now, Im doing the glitch that says use abra to teleport before the dude see's you in the grass next to the nugget bridge and having to press start midstep before he see's me, is this glitch true?

Answer 1

I've tried. Trust me there's no way.

Answer 2

No. But the other one is. The start menu one.