I found operating miniature paddles using a leg thigh strap a very flexible method. Using a 1m-length cable between paddles and KX2 I can paddle standing, sitting, leaning back, or lying on my side. In case anyone is tempted a homebrew solution is easily made. I re-purposed the two [unused] chassis mounting clamps for attaching the over-the-shoulder carry strap to the sides of the FT817, super-glued them to a small square metal plate and through which the single length of velcro passes. It folds up into a very small volume that fits in my KX2 carry bag. You can see it in the photo here …
In case you’re wondering what the larger metal plate (in the photo) is for - it’s my ‘cold weather’ option - the paddles and plate go inside my [right hand] winter jacket pocket and I keep my hand warm whilst paddling. It’s surprisingly easy to do.