When I was having shoulder issues I was only able to Bench Press without pain by using a fat bar. Shoulder is better now and I switch between fat and regular bars. Fat Bar can take a little getting used to but once you are you shouldn’t notice much of a difference with weight used in pressing movements.
I like the fat bar for pressing movements and I’ve used it for sets of curls and then switch to a regular bar once I hit my max set. The regular bar feels like a toy.
There was a recent discussion in CT’s Locker Room regarding Fat Bars: