Gregory's Super Rat from the back....

Staffer Gregory Bourdy dropped by the truck to show us his new Scotty Cameron Super Rat putter complete with US Open headcover.

Pro V1x loyalist Padraig Harrington was another big draw this week

And the face of Rory's prototype Titleist 913 driver

Here's a look at Rory's 913 driver from the bottom

And then takes it out onto the course during a practice round

And one of the star draws - Rory tests out a prototype Titleist 913 driver on the range

But that didn't stop phenomenal crowds turning up on Wednesday for the pro-am

Grey skies earlier in the week providing warning of things to come!

The clubhouse at Royal Portrush Golf Club