Like tar. Crack is an illegal dangerous substance. If you have found someone else's crack pipe, you can call the police from a pay-phone anonymously.
At -12C , the PVC cracks.
Check if there are any cracks forming, particularly at any connecting points. Also, look for signs of burnt paint or discoloration, and any holes or rust in the exhaust pipe or muffler.
Check these pictures I found on a web-site of pipe snakes.
Most of the time it looks like a frog sitting on your pipe
Because the cold makes them slightly more brittle and the water in them freezes and in doing so it expands (needing more room) and this makes the pipes bulge and crack. You discover the problem as the ice melts!
Corn coop pipe and a button nose
It looks black and sticky
hey i ned something i can carry cigarettes in that isn't noticeable. i also would like to know something i can make a pipe out of that wont look like a pipe. any suggestions?
Rusted cast iron.
what kind of "pipe"? solid metal pipe, or flexible rubber "pipe"? number one cause is from aged rubber that dries out and cracks. loose hose clamps, wore a hole through it, cracked thermostat housing, etc.
Long thin pieces of wire, with brightly coloured fibres twisted into them.
Objects that look like a cylinder include a pencil, a soda can, a drinking glass, a pill bottle, and a roll of paper towels.