bum leg or no he train 's himself religiously to be good at...well any sport will do! but what are the best light grow movers and which one do you need for your specific grow room? they twist and turn low over the water and wheel around the north end of the island where i lose them from view. some salts are good for plants but others are not. i got my license and joined a smaller company after interviewing with several large firms. take a good look at your beliefs, thoughts and words. 