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Bolts for climbing use can accept forces in any direction. Otherwise bolting in steep overhanging roofs would not work. So simply drill some holes and place your bolts. When connecting bolts make sure that the angle between strands from the center point to the bolts is small, at maximum 60 degrees, better smaller. Otherwise the force per bolt will increase a ...


2

Put any bolts as far apart as you can. I would put 4, one at each of the cardinal points for example, or perhaps in pairs of two to the left and right, one on each side higher up, one lower down, then connect lines from each to the one diagonally opposite to form an X shape. Run your slackline from the centre of the X. I would possibly use wires rather than ...


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