>>1798184When I lived out in NM, there were all kinds of spiky plants, but there's some kind of grass that the tip breaks off into your skin, then it swells up from your skin moisture. Impossible to get out with just your fingers.
So I asked at a local shop, and they recommended these miniature tweezers (Uncle Bill's Silver Grippers) and carrying a sewing pin (stick the pointy bit into a foam ear plug). Picking out thorns always sucks, but having the right tools at least makes it faster.