See the light and hold tight (5)

I believe the answer is:

clamp

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'hold tight' is the definition.
'clamp' can be an answer for 'hold' (thesaurus). I'm unsure of the 'tight' bit.

'see the light' is the wordplay.
'see' becomes 'C' (the word for the letter, according to Chambers).
'the light' becomes 'lamp' (lamp is a kind of light).
'c'+'lamp'='CLAMP'

'and' acts as a link.

Can you help me to learn more?

(Other definitions for clamp that I've seen before include "Wheel vice" , "stack of bricks" , "Device for holding things tightly" , "Immobilise car - potato store" , "Wheel immobiliser" .)

I've seen this clue in the Evening Standard.

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