A nigga like me should have Carpal Tunnel syndrome
In the wristbones from grippin microphones this long

from Canibus – 100 Bars Lyrics on Rap Genius

Meaning

Carpal Tunnel Syndrome is a condition that is usually developed when too much pressure is applied to your wrist; whether through squeezing an object, or typing.

‘Bus is implying that he’s been using a microphone so long that he’s gripped it enough to cause carpal tunnel, and is therefore surprised that he doesn’t have it.

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