Watch anchoring those in fast current. If that anchor happens to catch while moving, the height of the mount bar may allow the craft to flip backward.
I use a couple of strands of chain. I just tickle the bottom with it and it keeps the boat from spinning while fishing.
In a lake that really doesn't become an issue.
Another great system for rivers is to take one of the heavy duty clamps from a set of retired jumper cables and tie a rope to it. You can clamp yourself to any shoreline brush.
We also installed a larger pulley on the back of mine. It seems to help some.