: Prevents "drilling" where a trapped stone eventually punctures the tire casing at high speeds.
If you are actually looking to "unblock" a tire in a different sense, you might be looking for: Puncture Repair tire unblocker
Every driver knows the feeling. You wake up on a frigid Tuesday morning, late for work. You rush to your car, turn the key, and shift into reverse. Instead of moving, you hear a sickening thud . The engine revs, but the car doesn’t budge. You’ve got . : Prevents "drilling" where a trapped stone eventually
