As far as cash-grabs go, the VIP pass is only the tip of the iceberg.
What became clear later was that the trials were only the tip of the iceberg.
“I think that [our kids platform] iceberg Kids is some of the most exciting stuff,” said Scrollmotion co-founder Josh Koppel.
A large piece of ice that has broken away from a glacier at the shore and floated out to sea.
Note: Most of the ice in an iceberg is underwater, leaving only the “tip of the iceberg” visible — a fact that is often alluded to in discussions of subjects in which the most important aspects are hidden from view.
An unemotional, chilly person; cold fish (1840+)