No, The Volvo shims are under the hub of the outer part of the clutch, spacing the outer clutch away from the inner clutch/pulley. I believe the bread clip/cable tie method (have never done it personally, just have seen cars where it was done and did not work) forces the outer ring of the clutch toward the inner clutch/pulley slightly by placing the clips/cable ties on the flexible straps that hold the inner hub to the outer clutch ring.
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