Yes, I can attest to the fact that a thorn on the ground once pierced through the sole of my sandal and into my foot. While it was a painful experience, it was also a rather superficial wound. It lightly stuck into the tender part of my arch. Fortunately, someone on my card was carrying a pair of pliers and it took all of two minutes and I was on my way.
BEWARE OF THE SHARP POINTS THAT ARE THE HAZARDS OF ROSEDALE