Shuffle bits and pieces (6)
I believe the answer is:
lumber
I believe this clue is a double definition.
'shuffle' is the first definition.
(thesaurus)
'bits and pieces' is the second definition.
(lumber can mean clutter or bits and pieces)
(Other definitions for lumber that I've seen before include "Sawn wood - be a burden to" , "Move in ungainly way" , "Sawn wood ready for use" , "Move awkwardly - unwanted household items" , "Move clumsily - Jack's wood?" .)