"Out of sight, out of mind?" Papyrus admits with a laugh. "It's just more spine. Except longer!" Unlike his head crystals, which change his head's balance, or the temporary changes when they were underwater, where he didn't have hands... The tail doesn't inconvenience him. Much. Getting startled like that might get a little inconvenient.

To save Lambert the temptation he grabs the tip himself, holding it out so they can both see its length. "That sounds neat! What about, um, ribbons??"