ELI5: Explain Like I'm 5

Roller docker

A roller docker is a special tool used in baking. It looks like a small rolling pin with spikes on it. When you make dough for bread or other baked goods, sometimes little bubbles form. These bubbles need to be popped so the dough can bake evenly. That's where the roller docker comes in! You roll the roller docker over the dough and the spikes pop the bubbles. This helps the dough bake evenly and makes it look nicer too!
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