I avoid getting knives with clips, and I get ones with a lanyard hole.
Then I take some cord and make a lanyard that is long enough to drop the knife to the bottom of my pocket.
But, I use that length to pass around a belt loop, then slip my knife through that loop. And then I drop it into my pocket, so that it is held by a closed loop. I haven’t lost a knife yet by using that method.
If there is stuff in my pocket, then I pull on the lanyard, and viola, my knife comes up. And it’s easy to get loose and use that way.