pf2e.fyi
From Pathfinder Lost Omens Gods & Magic, which isn't enabled.

Lucky Rabbit's Foot

ITEM 10
UNCOMMONCONSUMABLEFORTUNEMAGICALTALISMAN
Price 175 gp
Usage affixed to armor
Bulk —
Category talisman

Usage affixed to armor

Activate envision
Trigger You fail a Reflex save against a damaging effect.

This treated rabbit's foot has shockingly blue fur and is often carried by vagabonds who worship Desna. When you activate the foot, reroll the triggering Reflex save. If you fail the second roll as well, you can Stride up to your Speed.

Pathfinder Lost Omens Gods & MagicOGL