Testimonials Press Links Contact       Pieces     Stool to trolley     Attaching the bass     Trolley to stool     Rolling     Sitting How it works Stool to trolley 5/8 The two front legs of the stool piece are put into the tubes on the wheel piece.   Your bass trolley is great for those country walks - and a delight in an urban situation too. Out the apartment door - down the elevator onto the street and sail on to the gig. Its perfect. Kent Carter France   More reviews.. © 1999-2016 Double Design of Scandinavia AB, Sweden, Tel +46 707 18 16 20,