Quail Hiding techinique

When covered in clothes from head to toe, crouched down and slow down your breathing, heart rate and become un-moving even when poked; the advantage is gained in low light and or behind cover. This must be performed for 6 seconds, and you gain +3 to stealth in this state. When performing a perception check against you, if the creature performing the perception check fails, then you fool pursuers into thinking you're a medium-sized rock.