Testimonials Press Links Contact       Pieces     Stool to trolley     Attaching the bass     Trolley to stool     Rolling     Sitting How it works Trolley to stool 8/8 The seat is slid down into the tubes of the stool piece until the latch under the seat catches the handle of the stool 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,