I bought one of these to try down in Florida. The wire grass is brutal and more weeds than this Maine boy is used to. Cuts the wire great as long as the batteries are 100 % with motor on max the rest including hydrilla cut like butter. Very impressed.
http://www.tacklewarehouse.com/Ninja_Grass_Blade/descpage-NINJAGB.htmlInvented by a local here in New England......would like to see him succeed with it. Well worth the thirty bucks IMO
Here is a short you tube I made.....and pardon one of my first efforts. I have a lot of footage like this......fish catching not so much