Kershaw Shun

What could have caused the forged stainless blades on my brand new Kershaw Shun knives to corrode???
These knives are one month old. They have never been in the dishwasher and have been exclusively hand washed (never soaked) with Dawn dishwashing detergent. I always hand dry them immediately and then leave them out on a towel overnight to ensure they are completely dry before going back in their block. I just went to put them away and noticed that two of them have discoloration and notching on the blade edge and tip. There is also discoloration on the blade where the handle meets the steel. I have racked my brain and can’t think of a single thing that could have done this! Williams Sonoma will replace them for me, but I don’t want it to happen again!
First, stainless steel does not mean resistant to rusting and other effects…. it means it more resistant than other steels, such as carbon steels. Thus care for stainless steel just any good knife requires not only cleaning but leaving them to dry is not a good idea, drying them with a tough cloth is a better option, and occasional thin film of knife oil when they not in use, might be a good idea. I must confess I am not acquainted with chief knives, as I am more a collector of combat and pocket knives.
If if you need to find some more help…. check bladeforums.com.
SHUN KNIVES by KERSHAW
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