Lemm flags both hands at them in a defensive gesture. "All right, all right! Don't mind me, will you."

Lemm tilts his head at the rather snapped-looking limb situation and makes a mildly displeased noise.

Telling them a second time not to break anything is probably moot.

"Ugh. Stop moving so I can come closer," he directs. "I've a theory and I don't fancy getting my shell cracked while I test it."