Tour Customs: 2015 Tour Championship

World No. 1 Jason Day has TaylorMade RSi TP irons in his bag.

Paul Casey has his initials custom-stamped into his Nike irons.

Casey is also playing a new prototype Nike Vapor Fly driver this week.

Dustin Johnson chips with TaylorMade R-Series Tour Grind wedges.

Brandt Snedeker uses Bridgestone J15CB irons.

Harris English uses Callaway Mack Daddy 2 wedges.

Kevin Na has his last name stamped into his trusty Vokey wedges and swings Titleist AP2 long irons.

Charley Hoffman has a full bag of Titleists, including MB Forged irons.

Bill Haas is playing the new Titlesit AP2 716 irons.

Kevin Kisner plays Callaway Apex Pro irons.

Jimmy Walker plays new Titleist MB Forged irons.