History of the anchor the early 2000s took elements of the Spade and other types, and developed unique solutions of his own, in order to design the "Rocna" anchor, a general purpose type which uses a concave fluke, a self-righting roll-bar, and setting skids. History of the anchor The History of the anchor dates back millennia. The most ancient anchors were probably rocks and many rock anchors have been found dating from at least the Bronze Age. Many modern moorings still rely on a large rock as the primary element of their design. However, using pure mass to resist the forces of a storm
Säffle Spade Säffle Spade In the game of contract bridge, Säffle Spade (or "Säfflespader" in Swedish) is a forcing pass-opening system developed by Einar Bergh and Pontus Svinhufvud; Säffle is a small city in Sweden where they once lived. There are at least three variants of the system: Super Säffle Spade (most advanced), Small Säffle Spade, and Small Happy Säffle Spade (simplest). While the opening bid of Pass is forcing for one round, it does not promise a very strong hand. The basic idea is that all hands (except certain pre-emptive ones) with 8 or more high card points (HCP) and 4+