Being an MP is not all about writing to your constituents and shouting during Prime Minister's Questions.
The lobbying sting targeted at a Tory MP and three members of the House of Lords has thrown the focus on the murkier world of lobbying.
Transparency campaigners say it is time to clean up some of the 584 All Party Parliamentary Groups MPs and peers can sign up to.
Tamasin Cave, of Unlock Democracy, told The Huffington Post UK that while some were "harmless, or pointless", others were more concerning as they could be used as an easy way for lobbyists to get access to ministers.
Here's a selection taken entirely at random for you to judge:
All Party Groups
Bermuda(01 of08)
Open Image ModalChairman: Ian Davidson (LAB)Purpose: To improve links and mutual understanding between Britain and Bermuda. (credit:PA)
Tennis(02 of08)
Open Image ModalChair: Baroness Billingham (LAB)Purpose: For MPs and Peers to be able to play tennis matches together and compete with various outside tennis teams. (credit:AP)
Shooting and Conservation(03 of08)
Open Image ModalChair: Geoffrey Clifton-BrownPurpose: To inform parliamentarians and act as a forum for the exchange of views on sporting shooting and conservation. (credit:PA)
Bahrain(04 of08)
Open Image ModalChair: Conor Burns (Con)Purpose: To develop friendship and understanding between our countries and to promote mutual economic and political aims. (credit:AP)
Cayman Islands(05 of08)
Open Image ModalChair: Graham Brady (Con)Purpose: To maintain links with, and develop an understanding of, the Cayman Islands. (credit:Getty Images)
Boarding Schools(06 of08)
Open Image ModalChair: Philip Davies (Con)Purpose: To uphold and protect the interests of state boarding schools in the UK. (credit:PA)
Jazz Appreciation(07 of08)
Open Image ModalChair: Michael Connarty (Lab)Purpose: To promote an appreciation of jazz music and to engage parliament in an awareness of the issues facing jazz music, musicians and promoters. (credit:Getty Images)
Space(08 of08)
Open Image ModalChair: Adam Afriyie (Con)Purpose: To raise awareness in and around Parliament of the growing importance of space-based applications to the UK economy, to policy making, to society and to the science community; to highlight the benefits from the UK’s investment in space and its leading role within the global space economy; and to promote political debate and awareness of space-based opportunities and solutions for policy makers. (credit:AP)