'No need'. Frisk makes a face, already-narrow eyes narrowing further, a tiny frown flickering to the surface. Of course there was a need, they startled Chara, but they're already playing before they can think of something to say. Deflection successful.

They mimic Chara's grip as well they can, subconsciously assuming they know more, and try to copy the noise. They don't quite manage it. "Oh. 'S right, this...is harder."