1: A fellow's legs may be protected by these (5)
4: Frost to cover the cake (3)
6: A Muslim leader's energy efficiency ratio as a Muslim leader (5)
7: God! Get real! There's no point getting upset (3)
8: Fruit taken in in inn (9)
10: Nothing we have to pay (3)
12: Exhausted writer found in street (5)
13: Terrier shows how to stray (3)