These two leather straps seem worn and frayed at the edges.

When wrapped around both hands, these straps grant a +2 enhancement bonus to the DC of your Stunning Fist attack (or any other effect gained by expending daily uses of that feat).

Prerequisites: Craft Wondrous Item, Stunning Fist, magic weapon.
Cost to Create: 2,500 gp, 200 XP, 5 days.