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    Pieces     Stool to trolley     Attaching the bass     Trolley to stool     Rolling     Sitting
How the Double Trolley works Stool piece
Stool piece
The Double Trolley consists of three pieces:

Seat

Seat
The seat can either be attached to the wheel piece or the stool piece. In this way, it becomes either the support for the bass or the bass player.
Wheel piece

Wheel piece
Stool When the seat and stool piece are assembled, the Double Trolley becomes an adjustable high quality stool for the bassist. Trolley When all three pieces are assembled the unit becomes a secure trolley for the double bass.
See how the Double Trolley transforms from stool to trolley...
Click on the pictures to enlarge.

 

I got the Double Trolley and it works very well! It is built more firmly and so easier to move the instrument and to sit on than I thought. Among all, I'm surprised at that it can make sharp turns so I can move the instrument in narrow space like a corridor in my home. All of my colleagues admired it, and some of them said they would like to buy it.

Today, when I took this picture, there was a slight strong earthquake, but my instrument which was standing with the trolley didn't fall down!

Yosuke Yamazoe
Japan
 

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