Hi! I want to explain the idea of my concept to be sure nobody will use this one. I've created a tree which is composed of two "F's" and in the negative you can see is a "S". At the same time my two "F's" represent two hands as you requested. I haven't reproduce your idea exactly but overall I guess I managed to get pretty close. Don't hesitate to ask or request anything from me. Have a great day, danisha