Players in Adventure mode can use some items which create entities on use even if the items do not have the CanPlaceOn tag. This is inconsistent with other items like armor stands, paintings and item frames which require this tag.
|minecart||Could be used for rail type distinction|
|boat||Problem: Would probably not work with water|
|lead||Problem: Player may not have lead item anymore when using it on a fence|
- Switch to Adventure mode
- Give yourself one of the affected items
- Try to place them