JDS Rope Chair Teak & Beech Wood (2 avail). This chair is the perfect example of a mid century Ghanaian modern design. It is In the style of Jamstech Studios, but not positive on the maker since there appears to be no label or markings. The curve in the backrest is very comfortable as well as the rope seat. is in good vintage condition, with some minor scuff marks in the wood and on the legs.