Security products for existed fencing, wall or any place need additional protection

2 main security products: barbed wire and concertina wire. You may use them on top of wire fencing, wall, ground, etc. 

The sharp barb or razor helps you to protect your properties. Very very easy for installation, just extend the rolls and fix 

it to poles or other stable things by fittings. Do not forget to wear protective gloves and prepare a plier.