Tenser's Circular ShieldLevel 4 Common

This iron miniature of a circular shield protects your goods as they follow along behind you.

Wondrous Item        840 gp

Property

You can use this item as an optional focus for the Tenser's Floating Disk ritual. When you do, a force bubble over the disk prevents creatures other than you from moving anything on the disk without your express mental permission, and objects gain resist 20 to all damage while on the disk.

Published in Dragon Magazine 387, page(s) 30.