Simply ingenious or ingeniously simple?
The SafeSeal Closure guarantees Containment-Level OEB 5 (<1μg / m³) in combination with Lugaia Continuous Liners and forms the basis of the manual lock systems. When utilizing the SafeSeal Opener, the closure can be removed again without any additional cutting processes. The entire closure system consists of SafeSeal Closure clips, as well as a crimp and a cutting tool and can be completed with a protective cap and hanger.
https://www.lugaia.ch/en/products-solutions/safeseal-closure-system