1: Walking upright, P. Abide turned left (7)

7: We blame knitter for small woolly jumper (3-4)

8: Perhaps men sit and eat in a cafe (9)

10: Judges playing conkers? (7)

12: Attack raise with no return (3,4)

2: He wrote a bit of poetry! (3)

3: An exceptionally attractive person may be met aboard (9)

4: King John's last to find out (5)

5: Gold tooth, perhaps, in satellite? (7)

6: Deviated before getting cast out (7)

9: They secure money for the government, so we hear (5)

11: How to eat the heart of marsupial (3)