Brooch of Shielding
This appears to be a piece of silver or gold jewelry used to fasten a cloak or cape.
This material is Open Game Content, and is licensed for public use under the terms of the Open Game License v1.0a.
In addition to this mundane task, it can absorb magic missiles of the sort generated by spell or spell-like ability. A brooch can absorb up to 101 points of damage from magic missiles before it melts and becomes useless.
Faint abjuration; CL 1st; Craft Wondrous Item, shield; Price 1,500 gp.