Bold the ones you have and use at least once a year, italicize the ones you have and don't use, underline the ones you use at least once a month, strike through the ones you have had but got rid of.
I wonder how many pasta machines,
It's not just the ones that languish unused, but the ones that bet pulled out once or twice a year for holiday cooking. Or the ones that are not quite as good as the one you already have/just bought.
Stuff is cheap. Space and time are expensive