As others have said, shedding blades and metal curry combs are great. However my horses get grumpy at the metal after a while.
I swear by this: KONG UniGroom Horse Grooming Tool, Blue https://www.amazon.com/dp/B000B9QFU4/ref=cm_sw_r_awd_ZVGsvb1DP1VKR
They are great for getting hair off and it comes off brush in one solid chunk so you just pull it off and keep going.
Ninja edited when I found the right brush