Replaces the stamina icons with boots instead of lightning bolts from Nostalgic Tweaks.
Shows up when sprinting.
Shows up when something stops you from sprinting. (if you enable cooldowns in NT)
Shows up when you run out of stamina.
Shows up when recharging an empty bar.
Shows up when you have hunger (or if stamina recharge during movement is disabled in NT).
Shows up when you have the saturation effect.