I have a notion for selling jump jewelry:

The problem:

Some items are only available for one moon, others are only available for X days or X charges.

Offer the items such that each has two drop down menus, one allowing you to choose which moon it's attuned to. The other giving you a choice between 30 / 60 / 90 days or 30 / 60 / 90 charges.

For instance - I'd like to buy the finger claw JJ, but it's only sold attuned to Katamba and only at a 30-day period. I want it attuned for Xibar with 60 charges. So, on the page for the finger claw, I would select "Xibar" for the moon and "60 charges" for the duration. Then select buy.

This would give us a lot more choices and would cut down on the number of items listed on the store page (as items have a listing for each of their configurations).

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"Technically correct" is the worst kind of correct.

I don't know if the system has that type of complexity. So far it looks like everything is a single, pre-set, item. It may be a limitation of the store or DR's systems that JJ are only configurable as pre-made items.