A PARIS SAINT-GERMAIN fan appeared to use a never-before-seen tactic to help his side win their penalty shootout against Liverpool.

The incident came as the Reds crashed out of the Champions League at Anfield on Tuesday night.

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Liverpool took a 1-0 lead into the game but saw that disappear after 12 minutes thanks to Ousmane Dembele’s strike.

Neither side could find a winner as the game went through extra time.

And penalties were needed to split the teams.

However, it was Liverpool who missed out on the quarters after Darwin Nunez and Curtis Jones saw their efforts saved.

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PSG players and coaches stormed the pitch to celebrate at the final whistle.

But they may have been better off thanking a smart-thinking fan in the away end at Anfield.

The savvy supporter made sure to give his full backing to Luis Enrique’s team.

And he did that with a never-before-seen tactic involving a MEGAPHONE.

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The supporter held the device up behind the goal.

And he continually played a siren noise from the megaphone to put off both goalie Alisson and Liverpool’s penalty takers.

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Stewards wearing earmuffs did not appear to take any action, but it is unclear if they had them on just to protect themelves from that fan.

Viewers at home were certainly left baffled by the approach.

One said: “Kudos to the PSG fan with a megaphone behind the goal playing the siren noise.”

Another declared: “How’s a PSG fan behind the goal with a megaphone playing a siren.”

One noted: “Big hand to that fan, objectively hilarious.”

Another boomed: “What on earth was the siren and loud hailer doing in the PSG fans?”

One added: “How was that PSG fan allowed to use a siren right behind the goals.”