On Monday, February 25, 2019 at 8:02:06 AM UTC-6, wrote:
..... nice rigid plastic jars with the screw on
lids. They look like they would be useful to store something in. Has
any one figured out what?

Put slips of paper, each with your pending projects, in the jar. When it's time for the next project, select one. Optional: Store the jar in the trash can.

Sonny