A: The lid said, "Twist to open."
A skeleton key.
Czech before you open the door !
Frants !
Antteneye !
The crystal ball
Voodoo like to dance with me '
Two: one to get it 95% done, and the second to give it the twist at the end.
None. They just grab it and the world to revolve around them.
Because they climb into tins close the lid and leave teh key outside !
Because whenever one of them climbs to the top, the others drag it back down.