COMPARE THE OLD METHOD WITH THE NEW METHOD
Automatic Lock
Regular lock
✅ Heavy-duty metal, rust-resistant, long-lasting 
✅ Strong latch prevents pigs from pushing open the door 
✅ Simple installation, designed for pig pens 
✅ Reasonable price for high durability, long-term use 
✅ Ideal for both small households and large farms
❌ Regular steel, may rust over time 
❌ Some types may loosen over time, not as strong 
❌ Needs adjustments to fit different barn doors
❌ Cheaper but may require frequent replacements 
❌ Usable but requires regular maintenance