Clue: Bolts lawyers' entrance to Strangeways (4)
Answer: BARS
Explanation: Definition: Bolts
 BAR(lawyers/barristers, collectively) + **1st letter of**(entrance to) "Strangeways".
And Strangeways is a prison, where lawyers might visit some of their clients.
Defn:  …/fastens a door or window with sliding bar that fits into a socket.