Block and tackle

A block and tackle was a set of ropes and pulleys that enabled a user to vertically lift objects heavier than their strength would normally be capable of lifting.

Description
A block and tackle typically consisted of a set of square, wooden blocks with greased internal wheels. These blocks were attached to something, such as a wall or tree branch, by multiple straps and harnesses in order to securely suspend it above the desired object. Finally, a rope, typically in length, was then threaded through these series of internal wheels and then a hook that attached to the desired object.

A block and tackle was commonly sold in three different weight classes. A light version was capable of lifting objects less than, a medium version was capable of lifting objects up to , and a heavy version was capable of lifting objects up to in weight.

History
Some time between the First and Second Mulhorandi Empires, around to,  people in the land of Mulhorand invented the block and tackle system. This enabled them to construct buildings with greater ease.