Partial Attunement
Once per day per magic item slot, any character can partially attune an unclaimed magic item by touching it and making a casting check against DC 10 for a standard magic item or DC 15 for artifacts. If the character doesn't cast spells, ze can use a simple Intelligence, Wisdom, or Charisma ability check.
As usual, attuning a magic item normally takes about an hour.
A character never has to attune a magic item to use its enhancement bonus nor its command phrase.