A Lock Pick is one of the essential items in the game, without it you cannot unlock doors or chests. However there are times when you will store it in a backpack and forget it, which could mistakenly be traded to another player and you won't notice it's gone until you're away from civilization looking for it to unlock something. Making a Personal Lock Pick will make it impossible to trade since it will become NoDrop, therefore you will always have it. Just don't put it in your bank, because then you will have to run back to a city to get it.
You will need the following items to make a Personal Lock Pick: