Knife Maintenance Stropping and rust prevention
Vaseline aka petroleum jelly. Use's
Prevents rust on carbon steel knives and tools,
Excellent aid for fire lighting,
Prevents rubbing and chafing, use as a quick fix wound dressing, as a lip balm.
In the longer term Vaseline may not be the best method of dealing with a wound. You should then use a proper wound dressing or seek medical help.