From the pin board at Sid Cahuenga’s to the hidden spots in Galaxy's Edge.
Location: The Hub (statue area) & Main Street.
Custodial CMs in Magic Kingdom are famous for having the best pins. Look for them sweeping near the Partners Statue.
Location: The tunnel entrance under the train station.
CMs standing at the turnstiles or just inside the tunnels often wear lanyards.
CMs can be at each of these location just keep a eye out for landyards and pin pads!