Davie has developed a variant for use on rivers, here he is demonstating the pattern, you really should include a few in your box. Davie Mcphail's skills at the vice have to be seen to be believed, check out his other patterns on his own youtube channel.
Its been noted here that newbies sometimes get a rough treatment. Here is one response, written by Old Dog, that might help those thinking of making their first post understand a little bit about this place. After you read this take a moment (or two or three) and look around and get a sense of this place. If you're still interested make your intro and join the fray. —Jed