1: How to get around doing business, essentially (3)

3: Neil Armstrong initially brought back extraterrestrial (5)

5: Bounder beheaded by slippery swimmer (3)

6: Shine audio, $40? (5)

8: Old Peruvian laughs if leagued (2,7)

9: Leaf in fancy plate (5)

10: Nightwear and jersey top added in afterthought (3)

12: Fortunate brave gets a late start (5)

13: Cleaning aid possessed by Fragonard (3)

1: Later round without an opponent (3)

2: Beg like this - it's lawful (7)

3: Author of Breathe Out, Lay Out, Going Out? (4,5)

4: Lines upset Frasier's brother (5)

7: Air transport for the lumberjack? (7)

8: Move to limp off without energy (5)

11: Bend in the middle and wind back (3)