Need help to create a slingshot

[DutchGuy]

Dear Graphical Artists

im in big need of some help, that i wont think will take long..
I would like to create an item called a slingshot... in classic style but i really have no clue on how to do it myself, as i am a disaster with this.
A slingshot isnt big and ofcourse pretty small, that kids use to shoot rocks with.
I would like to use it for a event or possibly new item idea...but the graphical design i dont know off..
if someone could help me out, that would be great.


here is pretty much a design that would work.