Yes, you should leave the cello on cigars. On the other hand, no, they are more visually appealing "nude." No, they tend to marry better without the cello. On the other hand, yes, they don't tatter nearly as easily with the cello on. However, no, because they humidify more evenly without the cello. On the other hand, yes, because its easier to transfer from humidor to portable case with the cello on. However, no, because......AAARRGGHH, I GIVE UP!!!!!