Most taste of a carrot is directly under the surface. By removing peels and throw away the most flavor. I let them soak for half an hour and then wipe them clean with a scouring pad. Lump of sugar into the boiling water and it is a delicacy.
I clean carrots with a abrasive pad, less loss of vitamines
Use a vegetable peeler or a steel span sponge if you want to delete carrots. That is much easier than with a knife.
Scrape the carrots towards yourself, and everything stays clean
Carrots (wet) with salt in an old pillowcase, Squeeze the bag, as if you were kneading dough, then rinse and the carrots will be clean.