Looking for a quick way for you and your kayaking partner to get back into an overturned double kayak? You could try The Fontaine Flop, as seen in the video below.
Mind you, you will need lots of upper body strength by the looks of it, and good timing with your partner.
And I know what you're thinking. You're thinking, can you do that with a canoe? I'll do you one better -- here's a four-way Fontaine in a canoe.