1: Mineral springs start to moderate involuntary muscular contraction (5)

4: Taverns quoted cool clique (3)

6: Drawing, for example, a bit of a cartoon (3)

7: A number going to church for fish (5)

8: Study a French instrument - it's a puzzle (9)

10: Rambling tales are out of date (5)

11: One final, huge Greek goddess (3)

12: Period email feature (3)

13: Penniless meal is fantastic (5)

2: Is Pat suitable? (3)

3: 'True men' is false (9)

4: Children nicely holding back secret (5)

5: Plots get Cuban revolutionary leader in a terrible mess (7)

6: Charged a couple of hundred, getting exploited (7)

9: He's not joking, it's completely lawless. (2, 3)

11: Essential part of Cayce's power! (3)