The art of switching is the art of clicking.
Learn Zulrah in and out and start increasing your switches from 2 or 3 to 5 or more. Once you get the hang of it you will have absolutely no issues doing switches in wildy.
The most important difference between PVP switching and PVM switching is hot keys. Set them up for your inventory tab, magic tab, attack style tab (for specs) and prayer tab. Once you can flawlessly switch items and between these tabs you will be GOLDEN.