1ra manera:




link: http://www.youtube.com/watch?v=DzMgdK_bRE8&feature=related

2da manera:




link: http://www.youtube.com/watch?v=e8K1sKEnbts&feature=related

3ra manera y la mejor




link: http://www.youtube.com/watch?v=OBXGjj1LGNY&feature=related