Crossword Genius

High-class glove Spooner found in front of stage (4,3)

Ross

I believe the answer is:

mosh pit

'found in front of stage' is the definition.
(area in front of a stage)

I don't understand the rest of the clue.

(Another definition for mosh pit that I've seen is " rough dancing area".)

I've seen this clue in The Guardian.
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