Hello, and thanks for using Ask Extension.

Regarding your question, there are as many ways to tie tomato plants to their supports as there are gardeners! Also, some people swear by pruning and others rarely do so. This can be an intricate topic, so here is a comprehensive guide to both pruning and staking that you will find by clicking this link:

https://njaes.rutgers.edu/FS1102/#:~:text=Proper%20stringing%20consists%20of%20tying,tight%20throughout%20the%20stringing%20process.

It's pretty detailed. You can follow the directions exactly, or adapt it for your particular needs. I hope this helps you have a bountiful harvest!