Clack is the soundful name for a punch-bell egg cracker desired to inflict an annular eclipse on an ovular body, sof or hard, white or brown. Your egg-shell-crack-pot hits eggs upside down like a punch-bell. It works like this: Place metal cap on egg and let ball drop – clack-crack!

Clack will hit your egg by surprise. It survives with an inverted collar – now being clearly more inclined to be eaten by allowing your knife an easy lift-off of its top