They’re worn by the hundreds of lobbyists who are granted access to the building and the politicians who work inside it.It’s a lucrative business - lobbyists charge handsomely to help big firms get access to large federal deals.

And with billions of dollars of government contracts up for grabs - including $22.7 billion for Labor’s made in Australia plan - a new class of Labor-allied lobbyists has emerged.

This has heightened concerns about the power of top lobbyists and renewed calls for more transparency about the access they get to the country’s decision makers.

Today, Chief political correspondent David Crowe talks to Paul Sakkal to discuss this lobbyland and the rise of Labor insiders becoming guns for hire, as well as the emergence of a new group called The Muslim Vote that is also trying to influence politics.