The method 1, wherein the rotation of the eccentric hub moves {HEAD ~ the blade} closer to {TAIL ~ the clamp member} 
closer to
The method 1 , wherein the rotation of the eccentric hub moves { HEAD ~ the blade } closer to { TAIL ~ the clamp member }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL