How to clean pen ink from speaker cloth?

[stereo247]

So my four year old got creative  ;D

How do I get these marks out without stuffing up the whole cloth?

 

[Scrat]

 

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[stereo247]

 

[MikeQ]

 

[Prince]

 

[Crafty]

 

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[MikeQ]

 

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[stereo247]