Grindstone Pulley

To create a pulley system, place a grindstone on the ceiling, a chain of any type (or however many up until 50 blocks downwards) then a cauldron or a fence/wall/bar of any type. Right-Click to lower the pulley, Shift+Right-Click to bring it up. For the cauldron you can lower it into any liquid to pick up the liquid. For the fence/wall/bar you can use it as a gate, but it restricts to 25 horizontally and 50 vertically. The pulley can only extend down by 50 blocks before reaching its limit.

If you break a chain in the pulley system, the rest are removed to prevent duping.

The grindstone gui is never opened when the pulley is assembled.

This project was made on a whim, because I had nothing better to do (basically all my projects.)