|hint: it was more popular 10-20 years ago|
Today is Two-sday and I'm going with one photo worth 2 points! Last Two-sday I posted 2 photos. Which one do you like better? Do you even care? If you do, vote for your preference in the poll. There's only 1 more day left to vote and the results are very close!
Here's the haiku hint for today's thingamajig:
they are stackable
although I would be careful
they are crackable!
What is it?