Following the announcement that Formula 1 would be adopting the 'Halo' cockpit protection device for the 2018 season, a litany of questions have been asked about its introduction, usage and future by those both inside and outside of the paddock.

In a bid to fully explain the decision and the road that led to Halo's approval, FIA safety director Laurent Mekies and race director Charlie Whiting met with the media on Thursday ahead of the Hungarian Grand Prix.

The presentation went into great depth regarding Halo's development, but here are the key points that you need to know.

- Development into cockpit protection started back in 2011, with more than 10 different options being considered.

- The key principle behind the introduction of cockpit protection was to prevent external objects such as wheels coming into contact with the driver. However, these expanded to also look at what role Halo would play in car-to-car contact and car-to-environment contact.

- The current Halo is its third iteration, with Mekies expecting a fourth to be the one that is raced with in 2018.

- Sebastian Vettel was apparently "disturbed" by the optical effect of using the Shield. While it may be revisited, Mekies confirmed that the level of protection was not as high as the other options.

- While the Aeroscreen was shelved as it was failing the wheel test, Mekies said that it may be revisited in the future.

- The FIA conducted an extensive risk assessment study, simulating a number of real-life accidents to see what impact the Halo's addition would have. Mekies said the results were "overwhelmingly positive", particularly when it came to car-to-car contact and car-to-environment contact.

- The FIA also conducted simulations for external objects by firing millions of small objects at the car at different angles and different positions. Mekies said that while it was no guarantee, it did "significantly" increase the driver's protection.

- The Halo will be made by one company and supplied to all teams. It has not yet been defined which company will do so.

- Teams are likely to be allowed to place advertising branding on the Halo.

- Mekies intends that cockpit protection will seep down to other categories in the future.

- Teams will be allowed to test Halo in any FP1 and FP2 session this year they wish, as well as the tests in Hungary and Abu Dhabi. They cannot use it in the Pirelli tyre tests, though.

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Oh, this just keeps getting better and better! Welcome to the Towmotor championship, brought to you by...

2 more that they missed out.....

- It's stupid
- It looks $H!T