4  Increase key argument (4)

 6  Animal worn on the foot (4)

 8  Ring friend for a stone (4)

11 Boy gets key for tune (4)

13 Mad icon turned out to be not settled (7)

14 Pam struggled in the current (3)

16 Dog has one old, interesting item (5)

18 Shy and stupid, returning to object (5)

21 Assembled concerning distance (5)

22 Principle of reversibility (5)

24 Quantity of contents (3)

25 Very hot without right current (7)

28 Sketched prince without article (4)

30 Rite using drain (4)

31 Part of the Far East (4)

32 Standard fellow prisoner (4)

33 Wager has a pulse (4)

 1  Creature of pride (4)

 2  Dreaming about some paper (4)

 3  Scum involved with one art form (5)

 4  Facts in an emergency (3)

 5  Creature with odd paws (4)

 7  Behold copper get married to doctor (5)

 9  Top lie about being civil (6)

10 City can produce language (5)

12 Walk to the portal, say (4)

15 Explosive building material (6)

17 Send the timer off (5)

19 Fix soldiers, on the day (4)

20 Put off animal, with time (5)

23 Pull on the Spanish cloth (5)

24 Stiffly have a spat (4)

26 Mention the location, say (4)

27 Remaining to one side (4)

29 Bragged about scrap (3)