Hand Weapons are among the most common and most useful items that can be placed upon your characters. The majority of them come with strength bonuses, which is always handy, and many of them have strong abilities, some of which are strong enough to base entire decks around (such as Aiglos).
Possession Hand Weapons suffer from the same weakness to possession hate that all possessions share; fortunately, many cards that rely on weapons in a crucial manner allow you to fish them back out of the discard pile once removed.
See below for a list of all Possessions and Artifacts with the item class of hand weapon, as well as various cards that provide bonuses for or against characters bearing hand weapons.