Couldnt they just add the extra weights the chains would way anyway? Looks excessive to see these guys walking around with these massive chains just for bench press.
No. As they lift more chain comes off the floor so the bar becomes heavier. As it goes down the reverse is also true. And you're stronger at the top which is when, as I say, it's at its heaviest
I used to wonder this too and always thought it was retarded, but now that I am doing more faster workouts and drop setting i totally get the concept
mobster summed up the method to the madness above. it is actually a great concept for ripping up muscle fibers on the way down instead of just on the way up