Think about the last time you attempted a new recipe. Maybe you got lost somewhere between "julienne the carrots" and "dice the onions," wondering if it really mattered how you chopped your vegetables ...
There is a reason why serrated knives are the best for slicing bread. The serrated edges are perfect for slicing through firm crusts and thus do not force you to press down, crushing the softer bread ...
Have you ever been in the middle of chopping veggies in the kitchen when the knife suddenly transforms them into messy, huge chunks? Or perhaps you've attempted to cut meat but ended up cutting it ...