All answers start with 'T'.
-1. T + to turn round and round = a mythical cave-dwelling creature. 5 letters
2. T + a device sounded to give a warning = a barb. 5
3. T + fermented grape liquor = cord or rope. 5
-4. T + a rueful perception = to form by bending or curling. 5
5. T + reddish coating of oxidized metal = a firm belief. 5
6. T + small water mammal that likes clams = to wobble. 6
-7. T + a comrade = a current score. 5
-8. T + warming device = a building where performances are given. 7
-9. T + thick useful cord = a figurative form of speech. 5
-10. T + performance on stage = discretion. 4