Need help for last few clues and would appreciate some help. Thanks in advance.
6d Starts to skip in unrestricted workplace. (4,4). O???/S???
7d State barrel is cracking up (7). T???S??
8d Guardian flaying isn't on par with leader in Times (6,5). P?T?O?/??I?T
18a Unsuccessful competitors too small to box fled. (4,4). ?L??/????
I think the letters I have are correct,but please point me in right direction if not. Thanks again for your help.