A T-type lawn divider is a landscaping tool used to separate different areas of a lawn or garden. It consists of a long, narrow strip of material (usually plastic or metal) with a "T" shape. The "T" shape allows the divider to be easily inserted into the ground and helps to keep it in place.

T-type lawn dividers are typically used to separate grassy areas from flower beds, vegetable gardens, or other areas of the yard. They can also be used to create paths or walkways, or to separate different types of plants or landscaping features.

To install a T-type lawn divider, the following steps are typically taken:
Determine the desired location and shape of the divider. Use a straight edge or garden hose to mark the path of the divider on the lawn or garden bed.

Dig a shallow trench along the marked path, using a shovel or trowel. The trench should be slightly wider than the width of the divider and deep enough to allow the "T" portion of the divider to be inserted into the ground.

Insert the T-type lawn divider into the trench, making sure that the "T" portion is fully inserted into the ground. If necessary, use a rubber mallet or hammer to tap the divider into place.

Backfill the trench with soil or mulch, making sure to pack it tightly around the divider to keep it in place.

Repeat the process for the entire length of the divider, adjusting the position as needed to ensure a straight and even line.

T-type lawn dividers are a simple and effective way to create a clean and organized look in a lawn or garden. They are available in a variety of materials and colors to suit different landscaping styles and preferences.