You can cut the wire to shorten the strip,or wire two lengths together.

Unwind the roll and use wire cutters to cut it to length.

Dig out a trench for the edging, having first worked out the height you want the edging top above the ground.

Lay the edging in the trench, checking the height and that it is level along the length, backfill with soil and firm well.

For a straight top place a legth of timber over the edging strip. use a club hammer to knock it firmly in place.