It's not just boats. These invaded the river I grew up on and I was fortunate enough to step on one while wading. It cut me bad enough I probably should have ha

It's not just boats. These invaded the river I grew up on and I was fortunate enough to step on one while wading. It cut me bad enough I probably should have had stitches. While they may be good for cleaning a lake/river, they make it completely useless for swimming/wading without sturdy footwear