:*They will average the quality of similar items.
:*They allow players to combine items it is not normally possible to combine, such as logs, and split up large combined items into smaller ones, such as lumps, cotton and woodscraps.
:*It allows players to remove damage from unrepairable items without the [[Mendmend]] spell at the cost of having their quality reduced by a percent equal to the damage.
:*If empty, they can be picked up.
*There are some downsides to using BSBs.