The Ryobi 15-inch cordless string trimmer tops the list as the best overall ... and it was extremely easy to twist, which made going from weeding to edging a painless transition.
A truly top-of-the-line model with the technical-sounding ... we’re going to completely abandon our well-loved rotary style trimmers, but this made a very good case for why we may want to.
pick which trimmer attachment length you prefer. Starting at the base of your hairline, run the clippers up the length of your head, but pull away just before your part line. Continue trimming ...