For your 3 days emergency package
For your 3 days emergency package
For your 3 days emergency package
My swiss army knife's mechanism has been completely seized up for years now. I hate that there is no obvious way to take it apart for cleaning.
Soak it in vinegar then rinse with soapy water. Dry well afterwards
Soak it in soapy water. Use an ultrasonic cleaner, if you have one. Dry it and apply machine oil to the joints. Should be an easy job.
If you need to borrow an ultrasonic cleaner any optician worth their salt should be happy to help you out.