Using a pair of durable scissors, cut the line so you have a 16-foot length of string. After you've cut your length of line, it's time to start installing it into your trimmer.

Always wear close-toed shoes when using a string trimmer. No need for steel-toed work boots; any pair of covered shoes will provide adequate protection against a standard string trimmer line.

The best way to measure the amount of fresh line you need for your string trimmer is to use your arm span, says Mark Clement, home and garden tool reviewer and licensed contractor with MyFixitUpLife.

When done correctly, attaching the weed whacker line to Ryobi's string trimmer should be a breeze. Here is a step-by-step guide on how to do it properly.

The EGO cordless string trimmer I use comes with an interchangeable battery, and does a great job weeding and edging my lawn. Here's what it's like.

Consumer Reports reveals the easiest string trimmers to use for giving your lawn a manicured look. Trimming grass around edges and tight spots is less of a chore with these models from our tests.