Everyone might find himself in emergency situation under water somehow, what's better than wearing a life ring on wrist? Once you pull the bracelet when you are in danger, the slim bracelet will rapidly expand to a life ring to keep you afloat
Ambers idea of swimming in the lake! magicswim- an inflatable pool for boating (tiny holes in the bottom so lake/ocean water fills the pool without the fish and stuff) Perfect because all of the "stuff" is gross.
"The first real hands free backpack umbrella." "The innovative trekking umbrella is easily fastened to any standard backpack with hip belt and directed into the wind and rain. Both hands remain completely free"