How to make static electricity?

Question

I want to know some ways

I already know the

carpet one

and the ballon

whats some others i want to shock my friends

help me out

thank you

Answer 1

make them touch ur pc or tv screens when u start them

Answer 2

a Van de Graaf generator is used in schools for demonstrating static electricity, but it's not exactly portable.

If you want to shock your friends, then the piezo ignition unit from a disposable lighter would do the trick.