We have to set up and dismantle the mat before and after keiko. More often than not, there are only two of us to set up, one if either of us are absent or late.
Occasionally. we will only get two or three students to class, we don't cancel, but we may shorten the class, and reduce the mat fee for the night.
If someone has made the effort to show up, I'm more than happy to work with them, we'll both get something out of it.