Have you made a Swiss roll before and it cracked when you rolled the cake? Guess what? It wasn't your fault. It was the recipe's fault. It wasn't how you rolled the cake. It was how you made the cake. Or rather, it was how the recipe told you to make the cake. It was the recipe's fault, really. So now you've found my Swiss roll recipe. If you follow it, you will succeed. Your cake will be fluffy and moist, and it'll roll beautifully.