### Clue: Style of top kiss in supporting role to Leonardo? (10)
### Answer: TURTLENECK 
 ### Explanation: Definition: Style of top
  NECK(kiss,pet) **placed after**(in supporing role to, in a down clue) TURTLE(an example,? of a Leonardo – the leader of the Teenage Mutant Ninja Turtles, a band of comic book and television characters, devised in the 80s whose 4 members were named after Italian painters)
Defn:  A style of pullover, jumper or sweater with a high collar, often rolled or turned down, making the wearer's head appear to stick out like, well, a turtle's