Ever wanted to test drive a +3 pike? Or +3 cudgel?
Introduce a player-defined rental service. The owner of an heirloom could choose the rental agreement fee for terms of, say, 1 hour, 3 hours, 1 day, 2 days, etc. Just a very broad idea that would need to be fine-tuned of course. Early turn-in of the loom could get you a partial refund.