Artificial hedges in rolls should be fastened to the base surface by clamping band, wire or screws.
Is it possible to cut them and to join together to reach any size.
If cut, please make a small bubble at the end of cut branch (e.g. by a lighter or soldering gun) to protect leaves from sliding off.
Artiifcial hedges in mats may be joined together with a latch system ( see photo ) . Fastening to the base same as with rolls.
Artificial hedges with willow grid base are extendable to adjust to the size required. It's difficulot to cut them, but possible. Fastening to the base same as with rolls and mats.