Police leader seizes garment easy to lift for flashing (6,8)

I believe the answer is:

strobe lighting

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'for flashing' is the definition.
I can't judge whether this definition defines the answer.

'police leader seizes garment easy to lift' is the wordplay.
'police leader' becomes 'Sting' (front-man of The Police).
'seizes' indicates putting letters inside.
'garment' becomes 'robe' (robe is a type of garment).
'easy to lift' becomes 'light' (I've seen this in another clue).
'robe'+'light'='robelight'
'sting' enclosing 'robelight' is 'STROBE LIGHTING'.

Can you help me to learn more?

(Other definitions for strobe lighting that I've seen before include "Pulsating effect" , "Flashing, very bright beam" .)

I've seen this clue in The Independent.

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