EE WAS ON HIS WAY TO UNPLUG SILO 21 WEIGTHFEEDER WHEN HE NOTICED SILO 11 WAS ALSO PLUGGED WITH A LUMP IN THE DISCHARGE CHUTE. HE GRABBED ANOTHER LUMP AND PROCEEDED TO TRY TO KNOCK IT THROUGH. THIS WORKED, HOWEVER THE LUMP THAT HE USED THEN BECAME LODGED BETWEEN THE CHUTE & THE WEIGTH BELT TRAPPING HIS FINGERS IN A PINCH POINT. AS THE BELT CONTINUED TO RUN & HIS FINGERS WERE CUT.