Well, you can:
Lay on the floor*, wank, sit, Thai Chi, Grab a beer, Smoke
*Some or all of your health will be restored
Your fighting style will become the same as it is in San Fierror(some kinda Karate/Tae-Kwon-Do)
Credits:
2pac_96 - For the idea
LybertyCityStories - For the BG version
FireStone - For some of the pics
GTAF topic:
http://www.gtaforums.com/index.php?showtopic=399600&st=0&#entry1058998677
This guy is an retard he dosn"t put instructions or how to use it !
Look at the gtaforum link...
Otherwise:
Info:
"... If you press the NumPad 3 button a menu will appear and you can choose the anim you'd like to perform... "