Chan Eil Whiskers
Fumbling about.
Another thought on 100 shaves...
We learn a lot about shaving, our beard growth, etc. from any mindful learning curve in shaving. 100 shaves gives plenty of time for the associated / ancillary skills to develop. While those skills are developing, we are also learning to maintain the edge (even if not honing ourselves, stropping, and telling when an edge has started to dull is a pair of learning curves alone!). There are so many potential pitfalls, variables, and possible frustrations, telling new straight shavers that "It takes 100" is a good way to say "You won't have all of these frustrations ironed out for a good while - so be sure to stick with it long enough to get past the worst of them!"
That seems correct to me. Saying 300 shaves would scare anyone away.