Red can see the end coming and gives Blue the 3-pronged green Ring for 4-1 = net 3. Above it is a 2-point hole. At the bottom right, the Horse goes for 4 and there is a 5-point Blue hole. On the bottom left is a 5-point hole around the last green Ring. And finally, in the center are 6 uncashed hexes. These require more inspection. If Blue were to get stuck with the Stickleback, it could only fit in the center here and go for 3-3 = ZERO net points! Now the Glider Wing makes sense, because it left another Stickleback habitat until Red squashed it with this 3-pronged Ring. Blue has to come up with something NOW before Red gives him the long-planned ZERO-point Stickleback:
