Can it still slide around after one gets out? (4)

I believe the answer is:

sled

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'can it still' is the definition.
I can't judge whether this definition defines the answer.

'slide around after one gets out?' is the wordplay.
'slide' becomes 'glissando' (sliding musical effect).
'around' means to look at the middle letters.
'after' is a charade indicator (letters next to each other).
'one gets out?' becomes 'led' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
The middle of 'glissando' is 's'.
's'+'led'='SLED'

Can you help me to learn more?

(Other definitions for sled that I've seen before include "Tray on which to slide" , "Winter transport" , "Toboggan (mainly US)" , "Sledge" , "Sleigh" .)

I've seen this clue in the Evening Standard.

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