Add Shark Grip (or an additive) to make the floor rough
Other rollers shed (even anti-shed ones)
Although you can get by with just a high quality, no shed, 3/8 nap roller from home depot
This worked perfectly to apply Rustoleum Professional Epoxy to my garage floor! Highly recommend, I could not find this locally, but with Amazon's great prices and fast shipping no problem!
One tip if you are doing an epoxy floor
Each roller held up through the 450sqft of application