![](https://midwest.social/pictrs/image/dc3b5d85-66ee-4497-b0eb-0e3a23326a31.webp)
![](https://lemmy.world/pictrs/image/d82718c7-5579-4676-8e2e-97b4188f10d3.png)
Various other things like leaves, rags, sponges, or leftover paper. Failing that a bare hand works: manners dictating you wash it after.
Some cultural hangups on the left hand being “unclean” stem from those cultures using that hand for hygienic reasons.
I tried searching for “BSD memes” but all the results are for some cartoon by the same name.