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)