They go along (7)
I believe the answer is:
escorts
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">they go along</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for escorts that I've seen before include "Accompanies, perhaps socially" , "Attendants" , "Accompanies to protect" , "Armed guards" , "They accompany others" .)