Your intention to flirt may be perceived by others before you are aware of it yourself. Our bodies are chattering away all the time, revealing things. Without realizing, we may be saying one thing and signalling something completely different with our body. The basic elements of body language are very simple and can be used as an aid in flirting, too.
Eyes are of course the most important tool for opening a game of flirt. The trumps cards in the game are looks and glances, cast in the right direction and at the right moment.
The mouth is a sensuous organ. Coupled with the expressiveness of the eyes, you can't fail in getting the attention you want.
The body can be used in any number of ways. Men have their own codes and practices, women theirs. Are you aware of your own?