Possible Clues:

• Not obstructed, but having picnic stolen?
• Clear it's not in the basket?
• Free to harden me up unfairly
• Not hindered, as forgetful picnickers may be?
• Not prepared for a picnic to be free?
• Not weighed down with the wherewithal for a picnic?
• Lacking a burden, travelling light for picnic?
• In Paris, a pop band finally appears outside joint for free
• Lacking restrictions as ill-prepared picnickers, might you say?
• Free