The tub-boat canals of East Shropshire relied on both locks and inclined planes. The inclined planes were effectively short steep railways. The Trench Incline was the first of these encountered after tub-boats left the Shrewsbury and Newport Canal. It is covered in the post below. http://rogerfarnworth.com/2022/08/31/canal-inclines-in-east-shropshire-the-trench-inclined-plane/