If you’ve been to a sporting event, you know that holding up giant foam ... edges of the two foam sheets to bond them, leaving the bottom of the hamsa open to allow your hand to fit inside.

But it all begs the question, why? The foam finger began with an Iowa high school student named Steve Chmelar. In 1971, Chmelar built a giant hand from hardware cloth and paper mache with an ...

It has gesture recognition and will replace a peace sign, pointed finger or thumbs up or down with a giant foam hand. Users can adjust the size of themselves and position anywhere on the screen.