INJURED WAS LOADING ""T"" BOARDS INTO A SCOOP BUCKET. INJURED HAD CUT BANDS AROUND ""T"" BOARD USING 2 PAIR OF CHANNEL LOCK PLIERS. THE LEFT BAND WAS TWISTED. AS INJURED REMOVED 2 ""T"" BOARDS FROM THE STACK THE BOARDS CAUGHT ON THE BAND CAUSING INJURED TO CUT HIS LEFT WRIST. 8 STITCHES WERE REQUIRED.