Mine have about 500 miles on them, been dunked, dirtied, etc., sometimes I might hear a small squeek, but not really. You can use them either with the shock absorbers on or turned off, your call. Easy to disassemble and clean up too.
At TD’04, the Leki rep was there in the main camp area, and was fixing and doing maintenance work on poles for free, often replacing tips as needed, springs (rarely needed) and giving good advice on maintaining them.
If the TSA can’t destroy them through all the airports I’ve taken them through, well, they must be tough.
-xtn
airferret