To play Counter Strike with mouse and Keyboard is an old thing now. Now you can play Counter Strike with cosmetics.
A member of Twitch Channel is playing Counter Strike with Lipstick. She uses mouse for navigation of the map.
She uses left button for moment and right button for the shot while uses lipstick to start fire. She has connected her lipstick via maky maky Kit to computer. When she takes the Lipstick to the Lip, circuit is complete and fire starts.
This player of Counter Strike will play like this on Twitch Channel till June 1, 2016.