sub-modifiers
In restaurants, there is often the need to put a modifier on top of another modifier. For instance, a customer orders meal combo that comes with a soup or salad. Once the server chooses "Salad," he or she should be able to now choose the dressing type (without having to add the dressing mod group to the meal item). I'm seeing this done in other competitor systems such as Toast and Cake... and it appears that the easiest way to do this would to be able to have a "Modifier" also be an "Item" in the Clover inventory. When this modifier is chosen, (because it is also an item), its modifier groups pop up for selection.

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Daryl F commented
Agreed and voted! Please also support this related request about sub modifiers: https://clover.uservoice.com/forums/946357-management-functions/suggestions/36021394-sub-modifiers