Advanced Shell Technology


ZipFlex makes it easy to install genuine abalone purfling in minutes.

Video Tutorial: Learn How to Install Genuine Shell Purfling in 7 Easy, Time-Saving Steps with ZipFlex

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ZipFlex is a patented, flexible, genuine shell strip offering an easier, faster way to install traditional shell purflings and borders along curved surfaces—ideal for musical instruments, handcrafted bowls, canes, walking sticks, pens, shave brushes and more. Learn more about Advanced Shell Technology here. Or, browse all shell species and widths available below.


“ZipFlex has transformed our shell inlay work. It’s more reliable and takes a lot less time.”
George Lowden, Head Luthier & Owner, Lowden Guitars

“ZipFlex has been a time saver…and it’s beautiful material! I love using it!”
Bill Asher, Head Luthier & Owner, Bill Asher Guitars and Lap Steels

“ZipFlex is the best purfling on the planet.”
Gabriel Currie, Head Luthier & Owner, Echopark Guitars

AST Products Are Proudly Used By…