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Why Haartz Outperforms the Competition in Convertible Top Materials

March 20, 2025 By Gary Dekirmendjian

The Hog Ring - Why Haartz Outperforms the Competition in Convertible Top Materials

When it comes to convertible tops, not all materials are created equal. At OEM+ Auto Tops, we refuse to compromise on quality, which is why we exclusively use Haartz Twillfast RPC — a high performance topping material made by the folks who provide the premium material found on luxury vehicles like Bentley, Mercedes, BMW, Jaguar, Ford and more. … [Read more...] about Why Haartz Outperforms the Competition in Convertible Top Materials

What’s the Difference Between Stayfast and Twillfast?

May 20, 2019 By Nadeem Muaddi

The Hog Ring - What the difference between Stayfast and Twillfast

Among Haartz Corporation's impressive range of OEM and aftermarket convertible topping are its Stayfast and Twillfast lines. … [Read more...] about What’s the Difference Between Stayfast and Twillfast?

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Auto Upholstery - The Hog Ring - 1956 Ford F100

Design Studio: 1956 Ford F100 Door Panel

Last year we launched a series of hot rod … [more] about Design Studio: 1956 Ford F100 Door Panel

The Hog Ring - How to Measure Rolls of Fabric Without Undoing the Roll

How to Measure a Roll of Vinyl Without Undoing the Roll

Tired of undoing rolls of vinyl and fabric to … [more] about How to Measure a Roll of Vinyl Without Undoing the Roll

Why Are Detroit Books So Hard to Find?

One of the questions that we often hear auto … [more] about Why Are Detroit Books So Hard to Find?

Auto Upholstery - The Hog Ring - Audi Leather

Watch Audi Trim a Leather Interior

Audi has designed and manufactured exquisite … [more] about Watch Audi Trim a Leather Interior

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Design Studio: 1932 Ford Roadster

It’s no wonder the 1932 Ford Roadster is … [more] about Design Studio: 1932 Ford Roadster

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DIY: Custom Headliner Madness

There are a lot of DIY auto upholstery videos … [more] about DIY: Custom Headliner Madness

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