Yoke of Careful Unburdening

Wondrous item, rare

Price: 2,000-12,000 gp | low sentimentality

This yoke must go on two pack animals traveling side-by-side for its effects to work. It magically adjusts its size to fit the creatures. Animals wearing the yoke can move double their usual maximum weight capacity when pulling a carriage, cart, chariot, sled, or wagon.

Paid

While wearing the yoke, animals pulling a carriage, cart, chariot, sled, or wagon ignore difficult terrain.

Overpaid

While wearing the yoke, animals pulling a carriage, cart, chariot, sled, or wagon can move at normal speed up to 12 hours a day without suffering exhaustion from a forced march.

Source: The Gray Merchant of Asphodel