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At least the clamp fits on the gunnels of your boat,
Both my yaks are too wide for the clap to fit.
I have fasted it on with a modified Ram rod holder

Try looking here

http://www.yakangler.com/forum/index

I have a Nucanoe Frontier 12 and have used a Humingbird Fishin Buddy that I have rigged to hang over the side
It is not ideal but is...