From Pathfinder Battlecry!, which isn't enabled.

Sturdy Neck Stock

ITEM 11

Price 1300 gp

Usage worn collar

Bulk L

This thick piece of leather decorated with purple threads makes an attractive necktie but also serves a functional purpose: protecting the neck from hits that you don't see coming. You gain a +1 circumstance bonus to AC against attacks while Off-Guard from flanking.

Activate—Stretch out Stock (concentrate)

Frequency once per day

Effect The sturdy neck stock expands to cover not only your neck but also your shoulders and the back of your head. For 1 minute, you aren't off-guard to Hidden, undetected, or flanking creatures, or creatures using surprise attack of your level or lower.

Pathfinder Battlecry!ORC