* Failure damages both the [[rope]] and the [[square piece of cloth]].
* Improvement uses [[Blacksmithing]] skill but [[carpentry]] tools: [[mallet]], [[file]], [[carving knife]], [[pelt]] and [[log]].
* Dredging works similar to digging, though you must can be embarked on a boat or ship to dredge. Move on top of the corner you want to dig at, right-click the boat or ship you are on, and select ''Dredge''. The dredged material appears inside the boat.
*On bigger ships you may have to embark as passenger to get the option to dredge, because as the commander you might technically be too far way from the boat to use it. It is also a good idea to [[mooring anchor|moor]] your ship or boat before dredging.
*You can dredge all kinds of material, for instance [[clay]]. However, clay, [[peat]] and [[tar]] tiles will only lower if the corner you are digging at is close to some terraformable tile type.