I sold shoes for years. Your plan to rotate them is key. Leather just cannot take being submerged all the time and the acid from your feet helps them rot. All in all Redwings as well as many other great boots are not what they used to be, or maybe my old feet are just harder on them.
Larry,
Please contact me about the refund.
FYI I made a copy of the post prior to your deletion of the Deep Metric Sockets.
This has been upgraded to a Claim with Paypal as you did not refund the erronious payment on Tuesday August the 9th as you promised.
Water is compressible. Water hammer. BUT you are very much case on point.
Water systems in a house are at far lower pressures, or at least they should be. Air systems are as you say and at far greater pressures in the normal operating state. The risk of a failure carries far greater...
Wap Alto. I have had one for about 6 years now. Pricey. I bought mine for significantly less than the current cost, but man they are simply the best. Strong and quiet.