This girdle is meant to be worn with the thaumostatic harness in the baubles menu. When worn, it increases fuel consumption slightly but greatly boosts flying speed.
Crafting:
Infusion Altar:
Middle Item: Mundane Girdle.
Outside Items:
1x air shard.
1x earth shard.
2x gold ingot.
2x feather.
Essentias:
32x aer.
16x iter.
32x potentia.
16x volatus.