If you have a chain-link fence, insert polyethene slats between the links. Bamboo or reed fencing rolls are a relatively inexpensive alternative to other fence materials. Attach it to your existing fence using cable ties. It obstructs the view and is not too ugly.
Typically located in the cellar or garage, a transmitter transmits a radio signal along the wire. Your pet's Computer Collar receives the radio signal and produces a warning sound when it approaches the Invisible Boundary.
Fencing increases coordination, agility, balance, flexibility, strength, and cardiovascular endurance, among other physical benefits. While fencing is a full-body workout, it primarily targets the limbs, thighs, hips, and buttocks.
Fencing is a mental game that improves important life skills. Fencing discipline requires quick thinking, agility, poise, and speed. It also fosters discipline, respect, maturity, and sportsmanship, all transferable to ordinary life.