Masking Miniatures for Airbrushing

When airbrushing miniatures, we often need to mask off different areas to protect from overspray. Working in sub-assemblies often helps, but more often than not it's still not 100% unavoidable. I've tried various different products and techniques for masking: blu-tack masking tape liquid mask (liquid latex) card/paper specialist masking putty All of these have their …