We're working on getting some better pictures of how we mount Scotty Fly Rod
Holders which is what these are. 
Here's a quick line art
drawing of the fly rod holder. I will get some better pictures that will give
you a better idea of how we install them
in our prams.
Scotty Fly Rod Holder w/surface mount base only $31
Scotty Fly Rod Holder flush mount base only $1 1