Hi. To do that zebra pattern, stretch out white paste, cut pieces of black and silver and put on top of the white, then just go with the roll over. I also would spikes in fondant and then glued one by one.
Al I leave a link to a sample. Hope this helps.
http://www.pinterest.com/pin/534661786982100705/
http://www.pinterest.com/cakelady247/cake-shoe-template/
Sónia Neto https://www.facebook.com/pages/Sonhos-de-Encantar-bolos-decorados/220569271419369?ref=hl