Tiger Claw

The Proclip hidden deck fastener (pictured) is designed to work with cellular PVC decking materials that do not have a capstock, such as Azek. It has a concave-tipped prong that provides more edge tension and helps stop the fastener from popping out during installation. The TC-3 fastener is designed for cellular PVC decking with a capstock, such as Trex Escapes and TimberTech XLM, the maker says. 800-928-4437. www.deckfastener.com.