How to get the Push Rod out of a Master Cyl

I just took the plunger out of my 68 Barracuda. Put the rod end, without the bolt, in a vise. I clamped down on the rod with the rod and plunger hanging straight down. in one hand put the open end of a wrench, say 9/16, around the rod and resting on the piston. Give it a good rap with a hammer and it should pop right out. Put something under it so it doesn't bounce off the floor. I took the rubber piece off, cleaned the rod, and re-installed the rubber. Not bad for 45 yrs old!