thank you all for your replies.
i tried my new pole guying setup on the last three activations and it worked fine. in fact it’s so easy and simple to use i think this will be my favourite way of guying the antenna pole in the future. now i ask myself why i did not think of that solution earlier 
i use a cable tie, three simple cords and three mini-pegs. the additional weight doesn’t matter:
73 martin, oe5reo