### Clue: Satisfied with strain in neck reduced? Not like hands and feet (6)
### Answer: METRIC 
 ### Explanation: Definition: Not like hands and feet
A charade of MET ('satisfied') plus RIC[k] ('strain in neck') minus its last letter ('reduced'). The 'hand' in the definition is the non-metric unit used principally for horses' heights, standardized as 4 inches.