Anyone got any clues please for the following items found on a shopping trip
4 Cold letters (6,4)
7 Farleigh has many (7,5)
20 Francis is in the frying pan (5)
29 Components aid hairdo, no (7.3.11)
31 Double blows (4,2,5)
54 These spies know what is going on (10)
62 Change an e for an a, still (10)
74 Treat pain bliss (7,7)