In addition to shear actuation, {HEAD ~ directional actuation} and damping may be effected using methods or {TAIL ~ devices} of the invention 
effected using
In addition to shear actuation , { HEAD ~ directional actuation } and damping may be effected using methods or { TAIL ~ devices } of the invention
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH