Related Clues

• Like some new car features
• Not standard
• Not included
• Unrequired
• Yours if you want it
• Not necessary
• Not mandatory
• Left to you
• Like some auto features
• If you ask for it
• Not required
• I plan too carelessly, but it's not mandatory
• Dubious plot to capture Scottish island is possible
• Not compulsory
• Working out time is not obligatory
• Such as one can take or leave
• New platoon I discover is voluntary
• Spray loo with paint -- but it's not compulsory
• A matter of choice
• Voluntary unit captured by irregular platoon