The first and second arms each have {HEAD ~ a lobe section} between their distal and proximal ends, which are resiliently deformable to allow movement of {TAIL ~ the distal ends} relative to the proximal ends of the respective arms 
The first and second arms each have { HEAD ~ a lobe section } between their distal and proximal ends , which are resiliently deformable to allow movement of { TAIL ~ the distal ends } relative to the proximal ends of the respective arms
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH