Posted by Rob van Heijst, 2012-05-06 16:52 BST
Unfortunately I don´t know anything as convenient as what you describe, but I do know something that´s pretty handy. Al you need is a strong rope. You make a knot in the rope so that you have a cirle. Next you tie the string to your backpack. Then you wrap 3 clubs in the rope and pull the rope one underneath it so it´s good strong.
This is the finished result: http://a2.sphotos.ak.fbcdn.net/hphotos-ak-snc7/577467_283472705080657_100002537892179_590934_1687010387_n.jpg
If you want to I can make step to step pictures :)