Touring lochs, picked up something from dog track (6)
I believe the answer is:
follow
'track' is the definition.
(thesaurus)
'touring lochs picked up something from dog' is the wordplay.
'touring' is an insertion indicator (touring can mean going round).
'lochs' becomes 'll' (I can't justify this - if you can you should believe this answer much more).
'picked up' says the letters should be written backwards.
'something from dog' becomes 'woof'.
'woof' in reverse letter order is 'foow'.
'll' placed into 'foow' is 'FOLLOW'.
(Other definitions for follow that I've seen before include "Come next" , "dog" , "Go along (a route)" , "Go or come after" , "Pursue or understand" .)