Nope, it's automatic if you use a small blade (If your dexterity is higher than your strength that is).
Listen up maggots, Mr. Popo's 'bout to teach you the pecking order.
It goes you, the dirt, the worms inside of the dirt, Popo's stool, Kami, then Popo.
~Mr. Popo, Dragonball Z Abridged