Ransom International’s RieberLok® gaskets are the fastest, easiest and least expensive PVC pipe restraining solution currentl ... y on the market. Why use bolts, clamps, rods, thrust blocks or other restraining devices when you can use the easy, push-on self-restraining RieberLok® gasket for PVC pipe? Featuring a more cost-effective installation process, RieberLok® saves time and money and has achieved successful field tests to date. We also offer installation training and support. Learn more on our website. read more