Many people want to use Clicknow and PopClip together, in this article I'm gonna show you how. 

Recommended: use Clicknow's official PopClip extension

Once installed, Clicknow can be triggered from PopClip:

You still need to have Clicknow installed and activated, but you can disable it to avoid having two popups. Read more here.

Alternative: having two popups

I crafted Clicknow so that its popup doesn't overlap with PopClip's, and can be used together.