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The Double Trolley is sold out and production has stopped.

I'm now pursuing new projects that will be even more exciting!

Marc Grue
Inventor of the Double Trolley
 

I am amazed at the marvelous engineering that has gone into the design and construction of the Double Trolley. I can't wait to use it on the job.

You are to be commended for your contribution to the brotherhood of double bassists. Bless you!

Buckner Malcolm
United States, NC
 

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1999-2016 Double Design of Scandinavia AB, Sweden, Tel +46 707 18 16 20,