"We've adopted John Key's famous blue plaster cast as the motif for the Sign On campaign and it's catching on. The lads from Huffer took it upon themselves to produce a special range of t-shirts which they're selling through the Warehouse, our ambassadors are wearing blue casts at public events, they're popping up on Facebook profiles and now, curiously, a number of iconic statues around Wellington are also sporting blue arms."
Learn more about how to make your own cast.
Source | Thanks to Barbara Davies for the info