Sebastian Vettel tests the 'shield' head protection device on Friday at the 2017 British Grand Prix.
Valtteri Bottas was quickest in practice while Sebastian Vettel panned the shield safety device.
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Formula One will delay mandating cockpit protection until 2018 to allow more time for development.
Felipe Massa says F1 is a safer place after Jules Bianchi's horrifying accident last year.
F1 drivers remain committed to 100 per cent racing despite Jules Bianchi's tragic death.