Joe Canning: Why can’t you carry your hurl onto the field for the walk around?

I’ve been involved in Gaelic games for most of my life but I still find myself constantly puzzled by the peculiarities within the association.
Everyone knows that the GAA can be fussy and regimental when it comes to rules and regulations. But sometimes it’s the small things that leave a lasting impression.
For instance, why can’t a player carry his hurl onto the field on the walk around before a big game? Think about the strangeness of that. You go to play an All-Ireland semi-final in Croke Park, say. Maybe 60,000 people turning up, millions in gate receipts and a nationally televised game.
The teams get to walk the pitch when they arrive. But t …