The distal tips of the fingers are separated by an axially aligned gap which enables {HEAD ~ limited stress} relieving {TAIL ~ radial movement} of the fingers 
The distal tips of the fingers are separated by an axially aligned gap which enables { HEAD ~ limited stress } relieving { TAIL ~ radial movement } of the fingers
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH