

A AAA-battery to AA-adapter. I randomly had 50 of the smaller ones lying around, so it really came in handy.
Can’t share a link, but there should be dozens of this kind of model on any site. “Can’t”, because the model I grabbed was definitely among the worse ones.


The hardware store had 100 fender washers, or 1kg, for 1€, so I’ll be using them for a while.