Technically these are the fruit of the pandanus, not the nuts but they are the size of a child's fist, hard, and heavy and they give a fair old bonk if they hit you on the head.
And the shady bits move too!
Once upon a time "SUP" was a contraction for the greeting "What's up?" Now of course it's "Stand Up Paddleboard". A year or two ago, some visiting friends from Europe were astonished to see them being ridden in the surf - we on the other hand were astonished that anyone would contemplate using them in still water!