I encountered a nail with tires less than 3 years old and a friend recommended me to buy this product. It wasn't easy to install (if it comes down to it, I'm a 5ft 6in, 120lb female) because I couldn't get the tool (with glue on the tip) into the rail (I widened the hole and followed the instructions). . ; I think I just lacked the necessary upper body strength.) Fast forward: The guy who recommended it came and *in a flash* inserted the tool into the hole, seriously, in 2 seconds. That was aโฆ