They say that karats help your vision
But somehow it made them listen

from Wale – Chain Music Lyrics on Rap Genius

It is a known fact that eating carrots helps your vision.

He’s using a play on words referring to karats in his gold chain. He believes one of the reasons more people listen to him is because he shows out with his jewelry.

He’s mentioned this on more than one occasion:

Its funny that since I put this chain on
These bitches appear quicker than State Farm

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