If you're using a Ryobi cordless battery string trimmer ($99 at Home Depot), you eventually need to learn how to restring the weed eater to add more cutting line after it wears away. You can ...
This is where a good string trimmer comes in handy. Also known as weed whackers, string trimmers get those hard-to-reach places and help you achieve nice, tidy edges along your walkways.